EXP SECT Haha Yes

Chapter 15

Prev List Next
exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp exp 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