#include<iostream>
#include<string>
using namespace std;
int main() {
    string name;
    int attended,held;
    
    getline(cin,name);
    cin>>attended;
    cin>>held;
    
    if (attended<0 || held<0|| attended>held){
        cout<<"Invalid input";
        return 0;
    }
    double  percentage=(double)attended*100/held;
    int finalpercentage=percentage + 0.5;
    
    cout<<finalPercentage<<"%"<<endl;
    if (finalPercentage>=75)
    cout<<"Yes";
    else
    cout<<"No";
    
    return 0;
}