static void Main(string[] args)
        {
            Node            nodeFirst  = new Node("first");
            Node            nodeSecond = new Node("second");
            Node            nodeThird  = new Node("third");
            QueueWithStacks queue      = new QueueWithStacks(nodeFirst);

            queue.Enqueue(nodeSecond);
            queue.Enqueue(nodeThird);
            Console.WriteLine("Initial queue:");
            Console.WriteLine(queue.ToString());
            Console.WriteLine();
            Console.WriteLine($"First element: {queue.Dequeue().Value}");
            Console.WriteLine("The queue after dequeue:");
            Console.WriteLine(queue.ToString());
            Console.WriteLine();
            Console.WriteLine($"Second element: {queue.Dequeue().Value}");
            Console.WriteLine("The queue after dequeue:");
            Console.WriteLine(queue.ToString());
            Console.WriteLine();
            Console.WriteLine($"Second element: {queue.Dequeue().Value}");
            Console.WriteLine("The queue after dequeue:");
            Console.WriteLine(queue.ToString());
            Console.ReadLine();
        }