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 int long long
//#define FIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
//#define mod 1000000007

using namespace std;

int32_t main()
{
    int num;
    cin >> num;
    if(num==0)
    cout<<"1"<<endl;
    else
    {
        cout<<"0";
    }
    
    
    
}