#include<cstdio>
using namespace std;

int main(){
	int n;
	double wei, hei;
	while( scanf("%d,%lf,%lf", &n, &wei, &hei)==3 ){
		double bmi = wei / (hei*hei);
		if( bmi >= 25.0 ){
			printf("%d\n", n);
		}
	}
	return 0;
}