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 F first
#define S second
#define PB push_back
#define MP make_pair
#define all(x) x.begin(), x.end()

using namespace std;

typedef vector<int> vi;
typedef pair<int,int> pi;
typedef vector<pi> vpi;
typedef long long ll;

template <typename T> void max_self(T& a, T b){
  a = max(a,b);
}

template <typename T> void min_self(T& a, T b){
  a = min(a,b);
}

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

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  //int t; cin >> t;
  //while(t--) solve();
  //
  solve();
  return 0;
}