import java.io.*;

public class Account
{
	private int acctID;
	private double balance;
	public int getAcctID()
	{
		return acctID;
	}
	public double getBalance()
	{
		return balance;
	}
	public void setBalance(double newBalance)
	{
		balance=newBalance;
	}
	
	//added signature
	public Account(int _id, double _balance)
	{
		acctID=_id;
		balance=_balance;
	}
	
	// demonstrates function overloading for Account and the use of this to indicate member of the class and not
	//		the formal parameters (which by the way has the same name as the member of the class). 
	// --This is not recommended.
	public Account(int acctID)
	{
		this.acctID=acctID;
		balance=50.0;
	}
	
	public void deposit(double amount)
	{
		balance += amount;
	}
	
	public void withdraw(double amount)
	{
		balance -= amount;
	}
		
	
	public static void main(String args[]) throws IOException 
	{
		BufferedReader stdin = new BufferedReader
			(new InputStreamReader(System.in));
		double w1, d2;	
			
		//next line commented if using signature
		// Account a1= new Account();
		Account a1= new Account(30,300.0);
		
		
		//next line commented if using signature
		//a1.setBalance(300.0);
		System.out.println("Balance of A1= $" + a1.getBalance());
		Account a2= new Account(40);
		System.out.println("Balance of A2= $" + a2.getBalance());
		
		System.out.print ("How much do you want to withdraw on A1  : $");
	    System.out.flush(); 
		w1 = Double.parseDouble(stdin.readLine());
		if (w1 <= a1.getBalance())
		{
			a1.withdraw(w1);
		}
		else
		{
			System.out.print ("You only have : $" + a1.getBalance() + "in your account.");
		}
		
		System.out.print ("How much do you want to deposit on A2  : $");
	    System.out.flush(); 
		d2 = Double.parseDouble(stdin.readLine());
		a2.deposit(d2);
		
		System.out.println("New Balance of A1= $" + a1.getBalance());
		System.out.println("New Balance of A2= $" + a2.getBalance());
	}
}