#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
int main(){
    str n;
    int att,hel;
    if(!(getline(cin, name)&& cin >> att>> hel)){
        return 1;
    }
    if(att< 0 || hel <= 0 || att >held){
        cout << "Invalid input" << endl;
        return 0;
    }
    double per = (static_cast<double>(att) /hel) * 100.0;
    cout << fixed <<setprecision(0) << per <<"%" << endl;
    if(per >= 75.0){
        cout << "Yes" <<endl;
    }else{
        cout << "No" <<endl;
    }
    return 0;
}