#include<iostream>
#include<stdio.h>

using namespace std;


struct data{
	int num;
	double weight,height;
};

int main(){

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

}