#include <iostream>
#include <string>
using namespace std;

int main(void){
    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;
}