import java.util.Scanner;

public class DemoFororororLogistics {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        double priceBus = 200;
        double priceTruck = 175;
        double priceTrain = 120;

        double withBus = 0;
        int countB = 0;
        double withTruck = 0;
        double countTck = 0;
        double withTrain = 0;
        double countTrain = 0;

        double cargoNumber = 0;


        //  •	До 3 тона – микробус (200 лева на тон)
//•	От 4 до 11 тона – камион (175 лева на тон)
//	12 и повече тона – влак (120 лева на тон)


        for (int i = 0; i < n; i++) {


            double cargo = Integer.parseInt(scanner.nextLine());
            cargoNumber += cargo;


            if (cargo <= 3) {
                withBus += priceBus * cargo;
                countB += cargo;

            } else if (cargo <= 11) {
                withTruck += priceTruck * cargo;
                countTck += cargo;
            } else {
                withTrain += priceTrain * cargo;
                countTrain += cargo;
            }


        }
        double cost = ((withBus + withTruck + withTrain) / cargoNumber);
        double bus = (countB / cargoNumber) * 100;
        double truck = (countTck / cargoNumber) * 100;
        double train = (countTrain / cargoNumber) * 100;


        System.out.printf("%.2f%n%.2f%%%n%.2f%%%n%.2f%%", cost, bus, truck, train);


    }
}