#include <iostream>
#include <string>

using namespace std;

string S;

string solve() {
  for (int i = 0; i < (int)S.length() - 2; i++)
    if (S.substr(i, 3) == "575") return "YES";
  return "NO";
}

int main() {
  string S;
  cin >> S;
  cout << solve() << endl;
}