using System;

​

public class Account

{

    private double balance;

    public Account(double initBalance)

    {

        balance = initBalance;

        this.balance = balance;

    }

​

    public double getBalance()

    {

        return balance;

    }

​

    public void deposit(double atm)

    {

        balance = atm + balance;

    }

​

    public void withdraw(double atm)

    {

        balance = balance - atm;

    }

}

​

public class Program

{

    public static void Main()

    {

        Account objeto = new Account(50.0);

        objeto.getBalance();

        objeto.deposit(100.0);

        objeto.withdraw(147.0);

        Console.WriteLine(objeto.getBalance());

    }

}