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++ (Clang 10.0.0) (judge verdict: Accepted)

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <string>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <cctype>

using namespace std;

#define ll long long

void solve() {
    int n;
    scanf("%d", &n);
    if (n) printf("0\n");
    else printf("1\n");
    return ;
}

int main() {
    solve();
    return 0;
}