#include <iostream>

using namespace std;

int main(void){
  bool exist = false;

  int num;
  double w, h;

  while(cin >> num){
	cin.ignore();
	cin >> w;
	cin.ignore();
	cin >> h;
	if(w / (h*h) >= 25){
	  exist = true;
	  cout << num << endl;
	}
  }
  if(!exist){
	cout << "ツ該ツ督鳴づ按つオ" << endl;
  }
}