#include <bits/stdc++.h>

using namespace std;

int main() {
    string s;
    
    cin >> s;
    
    if (s.length() < 3) {
        cout << "NO" << endl;
        return 0;
    }
    
    for (int i = 0; i < s.length() - 2; i++) {
        if (s[i] == '5' && s[i + 1] == '7' && s[i + 2] == '5') {
            cout << "YES" << endl;
            return 0;
        }
    }
    
    cout << "NO" << endl;
    
    return 0;
}