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

int main() {

	string S;
    bool f;

    cin>>S;
    
    f=false;
    if(S.size()>=3){
        for(int i=0;i<S.size()-2;i++){
            if(S[i]=='5'&&S[i+1]=='7'&&S[i+2]=='5') f=true;
        }
    }

    if(f) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
	return 0;
}