#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <cmath>
#include <cstdlib>
using namespace std;

int main(void){
	string s;
	cin>>s;
	cout<<((s.find("575")<s.size())?"YES":"NO")<<endl;
	return 0;
}