#include <bits/stdc++.h>
using namespace std;

int main()
{
	vector<int> res;
	int n;
	double kg, m;
	while (~scanf("%d,%lf,%lf", &n, &kg, &m)){
		double bmi = kg / (m * m);
		if (bmi >= 25.){
			printf("%d\n", n);
		}
	}
}