e-olymp
Competitions

PP2. Week 1: March 1 - 7

Conditional statement - 2

Find the value of y according to condition:

prb8521.gif

Input

One integer x (-10000x10000).

Output

Print the value of y according to the conditional statement above.

Time limit 1 second
Memory limit 128 MiB
Input example #1
2
Output example #1
4
Input example #2
20
Output example #2
8100