private void FeedMoney() { Console.WriteLine("How much money would you like to enter (1,2,5,10)?"); try { int deposit = int.Parse(Console.ReadLine()); if (deposit == 1 || deposit == 2 || deposit == 5 || deposit == 10) { vendingMachine.AddToBalance(deposit); } else { Console.WriteLine("Invalid amount, please enter a valid amount."); Console.ReadLine(); } } catch { } }