887A - Div 64 - CodeForces Solution

#include<bits/stdc++.h>
using namespace std;
#define str string
#define dbl double
#define ll long long
#define S second
#define F first
#define FAST ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0);
// freopen("input.txt","r",stdin);
// freopeb("output.txt","w",stdout);
int main(){
string s;
cin >> s;
ll k=0,r=0;
for (int i=0;i<s.size();++i){
    if(s[i]=='1'){k=1;}
    if(k==1){
        if(s[i]=='0')r++;
    }
}
if(k==0)cout<<"NO"<< endl;
else if ( k==1 && r>=6){
    cout<<"YES" << endl;
}
else cout<<"NO" << endl;}