#include<iostream>
#include<string.h>
#include<cstdio>
#include<algorithm>
#include<stack>
#include<queue>
#include<vector>
#include<cmath>
#include<utility>
#define ll long long int
#define ld long double
#define INF 1000000000
#define EPS 0.0000000001
#define rep(i,n) for(i=0;i<n;i++)
using namespace std;
typedef pair<int, int> P;

string str;

int main()
{
  int s;
  double w,h;


  while(scanf("%d,%lf,%lf",&s,&w,&h)!=EOF){
    double bmi=w/h/h;
    if(bmi>25)
      cout<<s<<endl;

  }
}