#include <stdio.h>

int main(void)
{
	int num;
	double weight;
	double height;
	double bmi;
	
	while (scanf("%d,%lf,%lf", &num, &weight, &height) != EOF){
		bmi = weight / (height * height);
		if (bmi > 25.000000){
			printf("%d\n", num);
		}
	}
	
	return (0);
}