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;
typedef long long ll;
typedef vector<ll> VI;
typedef vector<VI> VVI;
typedef pair<ll, ll> P;
#define FOR(i,a,b) for(ll i=ll(a);i<ll(b);++i)
#define rep(i,n)  FOR(i,0,n)
#define PRINT(V) for (auto v : (V)) cout << v << " "
#define ALL(n) begin(n),end(n)
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
const ll INF = numeric_limits<ll>::max();
int main()
{
    int x; cin >> x;
    cout << ((x==1)?"0":"1") << endl;
    return 0;
}