#include <iostream>
#include <cstdio>
#include <string>
#include <sstream>
#include <algorithm>
#include <math.h>
//#include <map>
#include <iomanip>
#include <vector>

using namespace std;



int main()
{
	int bangou;
	float weight, height, bmi;
	
	while (~scanf("%d,%f,%f", &bangou, &weight, &height))
	{
		//cout << "bangou = " << bangou << " : weight = " << weight << " : height = " << height << endl;
		bmi = weight / height / height;
		//cout << "bmi = " << bmi << endl;
		if (bmi >= 25.0)
		{
			cout << bangou << endl;
		}
	}
	
	return 0;
}