#include<iostream>
#include<cstdio>
using namespace std;
int main(){
  int stnum;
  double wei;
  double hig;
  double BMI;
  while(scanf("%d,%lf,%lf",&stnum,&wei,&hig)!=EOF){
    BMI=wei/hig/hig;
    if(BMI>=25){
      cout<<stnum<<endl;
    }
  }
  return 0;
}