#include <bits/stdc++.h>

using namespace std;

#define REP(i, n) for(int i = 0; i < n; i++)

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

    int len = s.length();
    if (len < 3) {
        cout << "NO";
        return 0;
    }

    REP(i, len - 2) {
        if (s.substr(i, 3) == "575") {
            cout << "YES";
            return 0;
        }
    }
    cout << "NO";
}