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

using namespace std;


int main(void)
{
    while(1){
        int n;
        double w,h;
        scanf("%d,%lf,%lf",&n,&w,&h);
        //cin>>n>>w>>h;
        double bmi = w/(h*h);
        if(bmi>=25.0)cout<<n<<endl;
    }
    
}