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 rep(i,n) for(int i= 0;i < (n); i++)
using namespace std;
using ll = long long;
using P = pair<int,int>;
//vector<> vec(n);

int main(){
  int n=0;

  cin >> n;
  if(n==0){
  	cout << "1" << endl;
  }
  else{
  cout << "0" << endl;
  }
  return 0;
}