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 pii pair<long long int,long long int>
#define vi vector<long long int >
#define vvi vector<vector< long long int>>
#define MP make_pair
#define PB push_back 
#define pb pop_back
#define PF push_front
#define pf pop_front
#define MOD 1000000007
#define MT make_tuple

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