#include<iostream>
#include<map>
#include<string>
#include<vector>
#include<algorithm>
#include<numeric>
#include<cmath>
using namespace std;

int main(){

  string s;
  cin >> s;
  if( s.size() < 3 ){ cout << "NO" << endl; return 0;}
  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;
}