/*
 * 558.cpp
 *
 *  Created on: 2017/08/25
 *      Author: pinebooks
 */

#include <iostream>
#include <string>

using namespace std;

bool is_contains(string S) {
  if (S.size() < 3)
    return false;
  for (int i = 0; i < S.size() - 2; ++i) {
    if (S[i] == '5' && S[i + 1] == '7' && S[i + 2] == '5') {
      return true;
      break;
    }
  }
  return false;
}

int main() {
  string S;
  cin >> S;
  if(is_contains(S))
    cout << "YES" << endl;
  else
    cout << "NO" << endl;
  return 0;
}