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)

//******* It's LEVI_17 ***************

#include <bits/stdc++.h>
#include <unordered_map>
#include <unordered_set>
using namespace std;

#define ff first
#define ss second
#define MP make_pair
#define mset(x,a) memset(x,a,sizeof(x))
#define max3(x,y,z) max(x,max(y,z))
#define min3(x,y,z) min(x,min(y,z))
#define sqr(a) (a)*(a)
#define all(x) (x).begin(), (x).end()
#define f(i, n) for (int i = 0; i < n; i++)
#define f1(i, n) for (int i = 1; i <= n; i++)
#define loop(i,a,b) for (int i = a; i < b; i++)
#define bloop(i,a,b) for (int i = a ; i>=b;i--)
#define vvll vector<vector<ll>>  
#define vll vector<ll> 
#define pll pair<ll,ll>
#define vpll vector<pll>
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define cases ll t;cin >> t;while(t--)
#define rr return 0
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

#define deb(a)			std::cerr<<#a<<"="<<(a)<<"\n"
#define deb2(a,b)		std::cerr<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<"\n"
#define deb3(a,b,c)		std::cerr<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<"\n"
const int MOD = 1000 * 1000 * 1000 + 7;

//syntax for priority queue
// max queue -> priority_queue<ll>
// min queue -> priority_queue<ll,vector<ll>,greater<ll>>

//##############################################################################################


void solve()
{
    ll n;
    cin >> n ;
    if (n == 0)
        cout << 1 << "\n";
    else
        cout << 0 << "\n";
}

//###############################################################################################

int main()
{
    fast;
    ll t = 1;
    //cin >> t;
    while (t--)
    {
        solve();
    }
    rr;
}


//Watashi wa tsuyoku modotte kimasu