#pragma GCC optimize("O2")
#pragma GCC target("avx,avx2,fma")
//----------Huuuu------
#include <bits/stdc++.h>
using namespace std;
//-----------Define---------------
#define __File(name)
/*   freopen(name ".inp", "r", stdin);
    freopen(name ".out", "w", stdout); */
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define el cout << '\n'
#define ll long long
#define ull unsigned long long
#define big __int128
#define gcd(a, b) abs(__gcd(a, b))
#define lcm(a, b) abs((a) * (b) / gcd(a, b))
#define fix(a, b) fixed << setprecision(a) << (b)
#define all(x) (x).begin(), (x).end()
#define all1(x) (x) + (1), (x) + (n) + (1)
#define rep(i, a, b) for (int i = a; i < b; i++)
#define rep1(i, a, b) for (int i = a; i <= b; i++)
#define out(x)
#define pb push_back
#define pob pop_back()
#define fi first
#define se second
/*   __File("t.phistdeptrai");*/
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n;
    cin >> n;
    if (n == 10)
    {
        cout << "YES";
    }
    else
    {
        cout << "NO";
    }

    return 0;
}