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>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;

typedef long double ld;
typedef pair<ll,ll> pp;
typedef tree<pp,null_type,less<pp>,rb_tree_tag,tree_order_statistics_node_update> super_set;

#define x1 dfds
#define y1 dsfdsfe
#define pb push_back
#define forn(i,n) for(ll i = 1;i<=n;++i)
#define fi first
#define sc second
#define endl '\n'
#define po(x) (1ll<<x)
#define log sdfdsfdsf

const ll DIM = 2E5+7;
const ll MOD = 1e9+123;

const ll INF = 1E17;
const ld eps = 0.00000000000001;
const ld PI = 3.14159265358979323846;
int getInt(int a = 0, int b = INT_MAX){
    static mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    return uniform_int_distribution <int> (a, b)(rng);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll x;
    cin>>x;
    cout<<1-x<<endl;
    return 0;
}