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;
 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>

#define faster  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
 
#define sq(x)   (x)*(x)
#define PI      acos(-1.0)
#define all(x) x.begin(),x.end()
#define nl      '\n'
 
typedef long long int ll;
typedef unsigned long long int  llu;


int main()
{
	faster
	int n;
	cin>>n;
	if(n==0)cout<<1;
	else cout<<0<<nl;
	return 0;
}