#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;

double calcBMI(double weight, double height) {
    return(weight / (height*height));
}

int main(void) {
    int no;
    double weight, height;
    vector<int> selection;
    while(scanf("%d,%lf,%lf", &no, &weight, &height) != EOF) {
        if(calcBMI(weight, height) > 25) {
            selection.push_back(no);
        }
    }
    vector<int>::iterator ite;
    for(ite = selection.begin(); ite != selection.end(); ite++) {
        cout << *ite << endl;
    }
    return(0);
}