#include<bits/stdc++.h>
using namespace std;
int main(){
  int s;
  double w,h;
  while(scanf("%d,%lf,%lf",&s,&w,&h)!=EOF){
    double bmi = w/(h*h);
    if(bmi>=25.0) printf("%d\n",s);
  }
  return 0;
}