#include <deque>
#include <iostream>

using namespace std;

int main() {

	int num, c=0;
	double w, h;
	deque<int> x;

	while(cin >> num >> w >> h)  {
		if(w/(h*h)>=25) {
			x.push_back(num);
			c++;
		}
	}

	if(c) {
		while(c!=0) {
			cout << x[x.size()-c] << endl;
			c--;
		}
	}
	else
		cout << "ツ該ツ督鳴づ按つオ" << endl;

	return 0;

}