histogram

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            double broy = 0;
            double broy1 = 0;
            double broy2 = 0;
            double broy3 = 0;
            double broy4 = 0;
            double broy5 = 0;
            for (int i = 1; i <= n; i++)
            {
                int num = int.Parse(Console.ReadLine());
                broy++;
                if (num < 200) broy1++;
                if (num >= 200 && num < 400) broy2++;
                if (num >= 400 && num < 600) broy3++;
                if (num >= 600 && num < 800) broy4++;
                if (num >= 800) broy5++;
            }
            Console.WriteLine("{0:0.00}%", 100 * broy1 / broy);
            Console.WriteLine("{0:0.00}%", 100 * broy2 / broy);
            Console.WriteLine("{0:0.00}%", 100 * broy3 / broy);
            Console.WriteLine("{0:0.00}%", 100 * broy4 / broy);
            Console.WriteLine("{0:0.00}%", 100 * broy5 / broy);
        }
    }
}