11.Snowballs

import java.util.Scanner;

public class Snowballs_11 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int countBalls = Integer.parseInt(scanner.nextLine());
        double maxSnowballValue = Double.MIN_VALUE;
        int maxSnowballSnow = Integer.MIN_VALUE;
        int maxSnowballTime = Integer.MIN_VALUE;
        int maxSnowballQuality = Integer.MIN_VALUE;
        for (int ball = 1; ball <= countBalls ; ball++) {
            int snowballSnow = Integer.parseInt(scanner.nextLine());
            int snowballTime = Integer.parseInt(scanner.nextLine());
            int snowballQuality = Integer.parseInt(scanner.nextLine());

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

            if(snowballValue > maxSnowballValue) {
                maxSnowballValue = snowballValue;
                maxSnowballSnow = snowballSnow;
                maxSnowballTime = snowballTime;
                maxSnowballQuality = snowballQuality;
            }
        }

        System.out.printf("%d : %d = %.0f (%d)", maxSnowballSnow, maxSnowballTime, maxSnowballValue, maxSnowballQuality);

    }
}