11.Snowballs

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int snowballs = Integer.parseInt(scanner.nextLine()),
            snowballSnow, snowballTime, snowballQuality;
        double value, highestValue = 0;
        String output = "";

        for (int i = 0; i < snowballs; i++) {
            snowballSnow = Integer.parseInt(scanner.nextLine());
            snowballTime = Integer.parseInt(scanner.nextLine());
            snowballQuality = Integer.parseInt(scanner.nextLine());

            value = Math.pow((double)(snowballSnow) / (double)(snowballTime), (double)(snowballQuality));

            if (value > highestValue) {
                highestValue = value;
                output = String.format("%d : %d = %.0f (%d)", snowballSnow, snowballTime, value, snowballQuality);
            }
        }

        System.out.println(output);
    }
}