#include <iostream>
#include <string>
#include <iomanip>

using namespace std;

int main() {
    string studentName;
    int classesAttended,classesHeld;
    
    
    getline(cin, studentname);
    cin >> classesAttended >> classesHeld;
    
    double attendancePercentage = (static_cast<double>(classesAttended) / classesHeld) * 100;
    
    cout << static_cast<int>(attendancePercentage) << "%" << endl;
    
    
    if(attendancePercentage >= 75.0) {
       cout << "Yes"; << endl;
    } else {
       cout << "No"; << endl;
    }   
    
    return 0;
}