class BankAccount
{
	private class Money
	{
		private String currency; //e.g. "HKD", "RMB", "NTD", "JPY", "KRW", "USD", "GBP"
		private double value;

		public Money(String c, double b) {currency=c; value=b;}

		@Override
		public String toString() {
			//return currency+" "+value+" owned by "+owner;
			return currency+" "+value+" owned by "+BankAccount.this.owner;
		}
	}

	private Money balance; private String owner;

	public BankAccount(String currency, String ow)	
	{
		balance = new Money(currency, 0.00); owner = ow;
	}

	public String getBalance()
	{
		return balance.toString();
	}

	public void addMoney(double incr)
	{
		balance.value += incr;
	}
}