#include <iostream>
using namespace std;

int main(){

	int num,c=0;
	double w,h;

	while(~scanf("%d,%lf,%lf\n", &num, &w, &h)){
		if(25<=w/(h*h)){
			cout << num << endl;
			c++;
		}
	}

	if(c==0){
		cout << "ツ該ツ督鳴づ按つオ" << endl;
	}

	return 0;
}