Score : 100 points
Given is an integer x that is greater than or equal to 0, and less than or equal to 1. Output 1 if x is equal to 0, or 0 if x is equal to 1.
Input is given from Standard Input in the following format:
x
Print 1 if x is equal to 0, or 0 if x is equal to 1.
1
0
0
1