#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main()
{
    string s;
    cin >> s;

    if (s.length() < 3) return cout << "NO" << endl, 0;

    for (int i = 0; i < s.length() - 2; i++) {
        if (s.substr(i, 3) == "575") 
            return cout << "YES" << endl, 0;
    }
    cout << "NO" << endl;

    return 0;
}