public static void Main()
BankingMenu bankingMenu = new();
BankingSystem bankingSystem = new();
string userInput = Console.ReadLine();
int userChoice = Convert.ToInt32(userInput);
bankingSystem.CheckBalance();
bankingMenu.DepositPrompt();
userInput = Console.ReadLine();
int depositAmount = Convert.ToInt32(userInput);
bankingSystem.Deposit(depositAmount);
bankingMenu.DepositConfirmation(depositAmount);
bankingMenu.WithdrawPrompt();
userInput = Console.ReadLine();
int withdrawAmount = Convert.ToInt32(userInput);
if (bankingSystem.Withdraw(withdrawAmount))
bankingMenu.WithdrawConfirmation(withdrawAmount);
default: bankingMenu.InvalidInput(404) ;return;
bankingMenu.UserLeaving();