import java.util.Scanner;

public class Beer {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        double volumeMax = 0.0;
        String keg = "";
        for (int i = 0; i < n; i++) {
            String name = scanner.nextLine();
            float radius = Float.parseFloat(scanner.nextLine());
            int height = Integer.parseInt(scanner.nextLine());
            double volume = Math.PI * Math.pow(radius,2) * height;

            if (volume > volumeMax) {
                volumeMax = volume;
                keg = name;
            }
        }
        System.out.println(keg);

    }
}