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 ll   int
#define pb push_back
#define ff first
#define ss second
#define mp make_pair
#define inf 1000000000000000000LL
#define fast_io	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define mod 1000000007
#define range 500005
#define lg 22
using namespace std;
int main()
{
	ll x;
	cin>>x;
	
	cout<<(!x)<<endl;
}