#include <iostream>
#include <cstdio>
using namespace std;

int main(){
	int num,f;
	double kg,m,bmi;
	while(scanf("%d,%lf,%lf",&num,&kg,&m)!=EOF){
		bmi=0;
		bmi=kg/(m*m);
		if(bmi>=25.0)cout<<num<<endl;
	}
}