#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

#define cy cout << "YES"
typedef long long ll;

void sherry()
{
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
#endif
}

int main()
{
    sherry();
    ll c;
    cin >> c;
    cout << c;
    cy;
    /*
    relational operator : < ,<= , > , >= , == , !=
    logical operator : && || !
    */
    return 0;
}