using System;

public class Checking: Account

{

    private double overdraft = 0;

    private double maxWithdrawal = 0;

    public double Overdraft = 0;

    public double MaxWithdrawal = 0;

​

    public void CheckingAcct(long acctNumber)

    {

​

    }

    public double Withdrawal(double amount)

    {

        return amount;

    }

    public static void Main()

    {

    }

}