Math (Codeforces 1505F)
Tags: Math, *special

    *The two images are equivalent, feel free to use either one.

Input: The input contains a single integer $$$a$$$ ($$$-100 \le a \le 100$$$).

Output: Output the result – an integer number.


Sample Inputs:
1

Sample Outputs:
1

Solution (Python):
x = int(input())
print(2 - x * x)

Solution (Python):
print(2 - int(input()) ** 2)

Solution (Python):
print(2 - int(input()) ** 2)