06. Easter Decoration

using System;
using System.Threading;

class Program
{
    static void Main()
    {
        int numOfCustomers = int.Parse(Console.ReadLine());

        double totalMoneySpent = 0;

        for (int i = 0; i < numOfCustomers; i++)
        {
            int itemsCounter = 0;
            double total = 0;

            string item = Console.ReadLine();

            while (item != "Finish")
            {
                itemsCounter++;

                switch (item)
                {
                    case "basket":
                        total += 1.50;
                        break;
                    case "wreath":
                        total += 3.80;
                        break;
                    case "chocolate bunny":
                        total += 7;
                        break;
              }


                item = Console.ReadLine();
            }

            if (itemsCounter % 2 == 0)
            {
                total -= total * 0.20;
            }

            totalMoneySpent += total;

            Console.WriteLine($"You purchased {itemsCounter} items for {total:f2} leva.");
        }

        double average = totalMoneySpent / numOfCustomers;

        Console.WriteLine($"Average bill per client is: {average:f2} leva.");


    }

}