Problem:
Score : 100 points

Problem Statement

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.

Constraints

0 \leq x \leq 1

x is an integer

Input

Input is given from Standard Input in the following format:

x

Output

Print 1 if x is equal to 0, or 0 if x is equal to 1.

Sample Input 1

1

Sample Output 1

0

Sample Input 2

0

Sample Output 2

1

Solution in Python (3.8.2) (judge verdict: Accepted)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import sys


def std_in():
    return sys.stdin.readline().strip()


def main():
    x = int(std_in())

    if x:
        print(0)
    else:
        print(1)


if __name__ == "__main__":
    main()