using System;

namespace TrekingMania
{
    class Program
    {
        static void Main(string[] args)
        {
            int group = int.Parse(Console.ReadLine());
            int sum = 0;
            double totalPercent5 = 0;
            double totalPercent12 = 0;
            double totalPercent25 = 0;
            double totalPercent40 = 0;
            double totalPercent41 = 0;
            double newSum = 0;
            double newSum1 = 0;
            double newSum2 = 0;
            double newSum3 = 0;
            double newSum4 = 0;
            for (int i = 0; i < group; i++)
            {
                int people = int.Parse(Console.ReadLine());
                sum = sum + people;
                if (people <= 5)
                {
                    newSum = newSum + people;
                }
                else if (people > 5 && people <= 12)
                {
                    newSum1 = newSum1 + people;
                }
                else if (people > 13 && people <= 25)
                {
                    newSum2 = newSum2 + people;
                }
                else if (people > 26 && people <= 40)
                {
                    newSum3 = newSum3 + people;
                }
                else if (people >= 41)
                {
                    newSum4 = newSum4 + people;
                }
            }

            totalPercent5 = newSum / sum * 100;
            totalPercent12 = newSum1 * 100.00 / sum;
            totalPercent25 = newSum2 * 100.00 / sum;
            totalPercent40 = newSum3 / sum * 100;
            totalPercent41 = newSum4 * 100.00 / sum;
            Console.WriteLine($"{totalPercent5:f2}%");
            Console.WriteLine($"{totalPercent12:f2}%");
            Console.WriteLine($"{totalPercent25:f2}%");
            Console.WriteLine($"{totalPercent40:f2}%");
            Console.WriteLine($"{totalPercent41:f2}%");
        }
    }
}