4

import java.util.Scanner;

public class u4 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());
        double priceCargoVan = 0;
        double priceCargoTruck = 0;
        double priceCargoTrain = 0;
        double cargoInTons = 0;
        double sumCargoInTonsVan = 0;
        double sumCargoInTonsTruck = 0;
        double sumCargoInTonsTrain = 0;
        double sumCargoInTons = 0;


        for (int i = 0; i < n; i++) {
            cargoInTons = Integer.parseInt(scanner.nextLine());
            sumCargoInTons += cargoInTons;
            if (cargoInTons <= 3) {
                priceCargoVan += cargoInTons * 200;
                sumCargoInTonsVan+=cargoInTons;

            }
            if (cargoInTons <= 11 && cargoInTons > 3) {
                priceCargoTruck += cargoInTons * 175;
                sumCargoInTonsTruck+=cargoInTons;

            }
            if (cargoInTons >= 12) {
                priceCargoTrain += cargoInTons * 120;
                sumCargoInTonsTrain+=cargoInTons;

            }
        }

        double averageCargo = (priceCargoVan + priceCargoTruck + priceCargoTrain) / sumCargoInTons;
        System.out.printf("%.2f\n", averageCargo);

        double percentSumCargoInTonsVan = sumCargoInTonsVan/sumCargoInTons*100;
        double percentSumCargoInTonsTruck = sumCargoInTonsTruck/sumCargoInTons*100;
        double percentSumCargoInTonsTrain = sumCargoInTonsTrain/sumCargoInTons*100;

        System.out.println(percentSumCargoInTonsVan + "%");
        System.out.println(percentSumCargoInTonsTruck + "%");
        System.out.println(percentSumCargoInTonsTrain + "%");



    }

}