#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <cstdio>
#include <cmath>
using namespace std;

int main()
{
	typedef struct 
	{
		int n;
		double kg;
		double m;
	} BMI_t;
	BMI_t bmi;

	while(scanf("%d, %lf,%lf", &bmi.n, &bmi.kg, &bmi.m)){
		if (bmi.kg / (bmi.m * bmi.m) >= 25)
		{
			cout << bmi.n << endl;
		}
	}

}