using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Grades
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());
            double ocenka = 0;
            int failcounter = 0;
            int lowcounter = 0;
            int goodcounter = 0;
            int topcounter = 0;



            for (int i = 0; i < number; i++)
            {
                ocenka = double.Parse(Console.ReadLine());
            }

            if (ocenka < 3.00)
            {
                failcounter++;
            }
            else if (ocenka <= 3.99 && ocenka >= 3.00)
            {
                lowcounter++;
            }
            else if (ocenka <= 4.99 && ocenka >= 4)
            {
                goodcounter++;
            }
            else if (ocenka >= 5.00)
            {
                topcounter++;
            }

            Console.WriteLine($"Top students: {(topcounter / number) * 100}%");
            Console.WriteLine($"Between 4.00 and 4.99: {(goodcounter / number) * 100}%");
            Console.WriteLine($"Between 3.00 abd 3.99: {(lowcounter / number) * 100}%");
            Console.WriteLine($"Fail: {(failcounter / number) * 100}%");
            Console.WriteLine($"Average: {}");



        }
    }
}