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>
using namespace std;
#define ll long long int
#define m 1000000007

/*ll binpow(ll a,ll b,ll mod) 
{
    ll res=1;
    a%=mod;
    while (b > 0) 
    {
        if(b & 1)
        {
            res = (res * a)%mod;
        }
        a=(a*a)%mod;
        b >>= 1;
     
    }
    return res;
}*/


int main() {
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
   
    ll x;
    cin>>x;
    if(x==0)
    {
        cout<<1<<endl;
    }
    else
    {
        cout<<0<<endl;
    }
  
	return 0;
}