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Competitions

PP2. Week 1: March 1 - 7

Conditional statement - 3

Find the value of y according to condition:

prb8526.gif

Input

One integer x (-100 ≤ x ≤ 100).

Output

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

Time limit 1 second
Memory limit 128 MiB
Input example #1
3
Output example #1
0
Input example #2
-8
Output example #2
-3