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 ff first
#define ss second
#define pb push_back
#define mp make_pair
#define mod 1000000007
#define inf  1e18
#define mk(arr,n,type) type *arr=new type[n];
#define ti(arr,n) for(ll i=0;i<n;++i)cin>>a[i];
#define ot(arr,n) for(ll i=0;i<n;++i)cout<<a[i]<<" ";
#define str(a) string a;cin>>a;
#define w(x) int x;cin>>x;while(x--)
int main()
{
  int x;cin>>x;
  if(x==1)cout<<0;
  else
    cout<<1;
}