/**
 *  author:   TakeruOkuyama
 *  created:  2020-04-09 14:53:46
**/
#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (n); i++)
using namespace std;
using ll = long long;
using P = pair<int, int>;

const int MOD = 1000000007;

int main(){
    string S;
    cin >> S;
    if(S.size() < 3){
        cout << "NO" << endl;
        return 0;
    }
    rep(i, S.size()-2){
        if(S[i]=='5'){
            if(S[i+1]=='7'){
                if(S[i+2]=='5'){
                    cout << "YES" << endl;
                    return 0;
                }
            }    
        }
    }
    cout << "NO" << endl;
return 0;}

/**
 * g++ code.cpp
 * ./a.out
 * shift + ctrl + i
**/