using System;

namespace Exercises
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string endCommand = "Finish";

            int clients = int.Parse(Console.ReadLine());
            decimal totalSum = 0;

            for (int i = 0; i <= clients - 1; i++)
            {
                decimal sum = 0;
                string product = string.Empty;
                int itemsCount = 0;
                while (product != endCommand)
                {
                    product = Console.ReadLine();
                    if (product == "basket")
                    {
                        sum += 1.50m;
                        itemsCount++;
                    }
                    if (product == "wreath")
                    {
                        sum += 3.80m;
                        itemsCount++;
                    }
                    if (product == "chocolate bunny")
                    {
                        sum += 7;
                        itemsCount++;
                    }
                }

                if (itemsCount % 2 == 0)
                {
                    decimal discount = (20 * sum) / 100;
                    sum = sum - discount;
                }

                Console.WriteLine($"You purchased {itemsCount} items for {sum} leva");
                totalSum += sum;
            }

            decimal avarageSum = totalSum / clients;
            Console.WriteLine($"Avarage bill per client is: {avarageSum} leva");

            Console.ReadLine();
        }
    }
}