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++ (GCC 9.2.1) (judge verdict: Accepted)

#include <bits/stdc++.h>
#define ll long long
#define INF 1000000000000000
#define rep(i,a,n) for (int i =a; i<n; i++)
using namespace std;

int main() {
  int x; cin >> x;
  if (x == 1) cout << 0 << endl;
  else cout << 1 << endl;
}