class LowBalanceException extends Throwable
{
	public String toString()
	{
		return("Low Balance");
	}
}
 
class TransactionExceededException extends Throwable
{
	public String toString()
	{
		return("Transaction Exceeded");
	}
}
 
class Account
{
	void withdraw(double balance, double amount) throws LowBalanceException, TransactionExceededException
	{
		double bal = balance - amount;
 
		if (bal < 500)
		{
			throw new LowBalanceException();
		}
 
		if (amount > 20000)
		{
			throw new TransactionExceededException();
		}
 
		if (bal >=500 && amount < 20000)
		{
			System.out.println("New Balance = " + bal);
		}
	}
}
 
class Bank
{	
	public static void main(String ar[])
	{
		Account a = new Account();
 
		try
		{
			a.withdraw(20000,1000);
			a.withdraw(10000,9700);
			a.withdraw(30000,26000);
 
		}
		catch(LowBalanceException e1)
		{
			System.out.println(e1);
		}
		catch(TransactionExceededException e2)
		{
			System.out.println(e2);
		}
	}
}