#include <cstdio>
#include <iostream>
using namespace std;

void solve(int id, double w, double h){
    double bmi = w / (h*h);
    if(bmi >= 25.0){
        cout << id << endl;
    }
}

int main(){
    string s;
    while(cin >> s){
        int id;
        double w, h;
        sscanf(s.c_str(), "%d,%lf,%lf", &id, &w, &h);
        solve(id, w, h);
    }
    return 0;
}