#include <iostream>
#include <cstdlib>
#include <vector>
#include <algorithm>
int main()
{
    std::string s;
    std::cin >> s;
    size_t sz = s.size();
    if(sz <= 2){
        std::cout << "NO" << std::endl;
        return 0;
    }
    for(size_t i = 0; i < sz - 2; i++){
        if(s[i] == '5' && s[i + 1] == '7' && s[i + 2] == '5'){
            std::cout << "YES" << std::endl;
            return 0;
        }
    }
    std::cout << "NO" << std::endl;
    return 0;
}