using System;

namespace test123
{
    class Program
    {
        static void Main(string[] args)
        {
            int passangers = int.Parse(Console.ReadLine());
            double windows = 0;
            double middle = 0;
            double aside = 0;

            for (int i = 0; i < passangers; i++)
            {
                string input = Console.ReadLine();

                if (input[1].Equals('A') || input[1].Equals('F'))
                {
                    windows++;
                }
                else if (input[1].Equals('B') || input[1].Equals('E'))
                {
                    middle++;
                }
                else
                {
                    aside++;
                }
            }

            Console.WriteLine($"Window Seats: {((windows / passangers) * 100).ToString("#.##")}%");
            Console.WriteLine($"Middle Seats: {((middle / passangers) * 100).ToString("#.##")}%");
            Console.WriteLine($"Aisle  Seats: {((aside / passangers) * 100).ToString("#.##")}%");
        }
    }
}