gistfile1.txt

using System;
using System.Collections.Generic;

namespace Collections1
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Queue<int> numbers = new Queue<int>();

            int moneyInCashRegister = 0;

            numbers.Enqueue(1);
            numbers.Enqueue(10);
            numbers.Enqueue(100);
            numbers.Enqueue(1000);
            numbers.Enqueue(10000);

            Console.WriteLine($"Денег в кассе : {moneyInCashRegister}.");

            Console.ReadKey();

            while (numbers.Count > 0)
            {
                Console.Clear();

                moneyInCashRegister += numbers.Dequeue();

                Console.WriteLine($"Денег в кассе: {moneyInCashRegister}.");

                Console.ReadKey();
            }
        }
    }
}