#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <queue>
#include <cmath>
#include <climits>
#include <iomanip>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
int main(){
    string s;
    cin >> s;
    for(int i = 0;i < (int)s.size() - 2;i++){
        if(s[i] == '5' && s[i + 1] == '7' && s[i + 2] == '5'){
            cout << "YES" << endl;
            return 0;
        }
    }
    cout << "NO" << endl;
}