static void Main(string[] args)
        {
            ATM atm = new ATM();

            while (true)
            {
                Console.WriteLine("Menu");
                Console.WriteLine("1.Create Account");
                Console.WriteLine("2.ATM");
                Console.Write("Please enter your selections: ");
                int select = int.Parse(Console.ReadLine());

                switch (select)
                {
                case 1:
                    atm.CreateAccount();
                    break;

                case 2:
                    atm.Deposit();
                    break;

                default:
                    Console.WriteLine("Invalid selection!");
                    break;
                }
            }
        }