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

int main(){
	char a;
	double weight,height;
	int number;
	
	while(cin>>number>>a>>weight>>a>>height){
		double bmi;
		bmi=weight/(height*height);
		if(25<bmi){
			cout<<number<<endl;
		}
	}
	return 0;
}