#include <bits/stdc++.h>

using namespace std;

int main()
{
    int num;
    double Wei, Hei, BMI;
 
    while (scanf("%d,%lf,%lf", &num, &Wei, &Hei) != EOF) {
	BMI = Wei / (Hei * Hei); 
	if (BMI >= 25) printf("%d\n", num);
    }
    return 0;
}