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 C (Clang 10.0.0) (judge verdict: Accepted)

#include <stdio.h>

int main ()
{
	int n;

	scanf ("%d", &n);

	if (n == 0) printf ("1");
	if (n == 1) printf ("0");

	return 0;
}