03. Logistics

import java.util.Scanner;

public class Logistics {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int cargoCount = Integer.parseInt(scanner.nextLine());
        double bus = 0, truck = 0, train = 0, totalCargo = 0;

        for (int i = 0; i < cargoCount; i++) {
            double cargo = Double.parseDouble(scanner.nextLine());
            if (cargo < 4) {
                bus += cargo;
            } else if (cargo < 12) {
                truck += cargo;
            } else {
                train += cargo;
            }
            totalCargo += cargo;
        }

        double average = (bus * 200 + truck * 175 + train * 120) / totalCargo;

        System.out.printf("%.2f\n", average);
        System.out.printf("%.2f%%\n", bus / totalCargo * 100);
        System.out.printf("%.2f%%\n", truck / totalCargo * 100);
        System.out.printf("%.2f%%\n", train / totalCargo * 100);
    }
}