#include <cstdio>
#include <iostream>
#include <string>
using namespace std;

int main(){
	string s;
	getline(cin, s);
	int size = s.size();
	for(int i = 0; i < size-2; i++){
		if(s[i] == '5' && s[i+1] == '7' && s[i+2] == '5'){
			printf("YES\n");
			return 0;
		}
	}
	printf("NO\n");
	return 0;
}