#include<bits/stdc++.h>
using namespace std;
#define lo long long
#define sr string
#define ch char
#define ve vector
#define al(x) x.begin(),x.end()
#define rep(i,a) for(int i=0;i<a;i++)
#define rrep(i,a,b) for(int i=a;i<b;i++)
#define rrrep(i,a,b) for(int i=a;i>=b;i--)
#define wh while

int main(){
    sr S; cin>>S;
    bool f=false;
    rep(i,S.size()-2){
        if(S[i]=='5' && S[i+1]=='7' && S[i+2]=='5'){
            f=true;
            break;
        }
    }
    if(f){
        cout<<"YES"<<endl;
    }
    else{
        cout<<"NO"<<endl;
    }
}