#include <iostream>
#include <string>

using namespace std;

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