[StartCode]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp17
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Queue<int> purchases = new Queue<int>();
            purchases.Enqueue(5);
            purchases.Enqueue(6);
            purchases.Enqueue(7);
            purchases.Enqueue(8);
            purchases.Enqueue(9);
            int storeMoney = 0;

            while(purchases.Count > 0)
            {
                int purchaseMoney = purchases.Dequeue();
                storeMoney += purchaseMoney;
                ShowCashier(storeMoney);
            }
        }

        static void ShowCashier(int storeMoney)
        {
            Console.SetCursorPosition(0, 0);
            Console.Write("В кассе " + storeMoney + " рублей . Нажмите любую клавишу для продолжения.");
            Console.ReadKey();
        }
    }
}
[EndCode]