#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <string>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <functional>
#include <iostream>
#include <map>
#include <set>
using namespace std;
typedef pair<int,int> P;
#define pu push
#define pb push_back
#define mp make_pair
#define eps 1e-7
#define INF 2000000000
int main()
{
	int num;
	double w,h;
	bool c=true;
	while(scanf("%d,%lf,%lf",&num,&w,&h)!=EOF)
	{
		if(w/(h*h)>=25)
		{
			cout << num  << endl;
			c=false;
		}
	}
	if(c) cout << "該当なし" << endl;
	return 0;
}