Histogram

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

namespace Histogram
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            double p1Counter = 0;
            double p2Counter = 0;
            double p3Counter = 0;
            double p4Counter = 0;
            double p5Counter = 0;

            for (int i = 1; i <= n; i++)
            {
                double numbers = double.Parse(Console.ReadLine());

                if (numbers < 200)
                {
                    p1Counter++;
                }
                else if (numbers >= 200 && numbers < 399)
                {
                    p2Counter++;
                }
                else if (numbers >= 400 && numbers < 599)
                {
                    p3Counter++;
                }
                else if (numbers >= 600 && numbers < 799)
                {
                    p4Counter++;
                }
                else if (numbers >= 800)
                {
                    p5Counter++;
                }
            }
            Console.WriteLine($"{p1Counter / n * 100:F2}%");
            Console.WriteLine($"{p2Counter / n * 100:F2}%");
            Console.WriteLine($"{p3Counter / n * 100:F2}%");
            Console.WriteLine($"{p4Counter / n * 100:F2}%");
            Console.WriteLine($"{p5Counter / n * 100:F2}%");
        }
    }
}