public class MyClass {
    public static void main(String args[]) {
        java.util.Scanner scanner = new java.util.Scanner(System.in);
        int loadCount = scanner.nextInt();
        int loadTons = 0;

        int microbusPricePerTon = 200;
        int truckPricePerTon = 175;
        int trainPricePerTon = 120;

        int microbusLoad = 0;
        int truckLoad = 0;
        int trainLoad = 0;

        int totalLoad = 0;

        for (int i = 1; i <= loadCount; i++) {
            loadTons = scanner.nextInt();
            if (loadTons <= 3) {
                microbusLoad += loadTons;
            }
            if (loadTons >= 4 && loadTons <= 11) {
                truckLoad += loadTons;
            }
            if (loadTons >= 12) {
                trainLoad += loadTons;
            }
            totalLoad += loadTons;
        }
        double averagePricePerTon = ((microbusLoad * microbusPricePerTon) + (truckLoad * truckPricePerTon) + (trainLoad * trainPricePerTon)) / totalLoad;
        double microbusAverage = ((double)microbusLoad / totalLoad) * 100;
        double truckAverage = ((double)truckLoad / totalLoad) * 100;
        double trainAverage = ((double)trainLoad / totalLoad) * 100;

        System.out.printf("%.2f\n",averagePricePerTon);
        System.out.printf("%.2f%%\n",microbusAverage);
        System.out.printf("%.2f%%\n",truckAverage);
        System.out.printf("%.2f%%\n",trainAverage);
    }
}