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

int main() {
    int number;
    double weight, height;
    while (scanf("%d,%lf,%lf", &number, &weight, &height) != EOF) {
        double BMI = weight / (height * height);
        if (BMI >= 25) {
            cout << number << endl;
        }
    }
}