Problem A. Magic Trick解答

	private List<String> processTrickPair( String[] values1, String[] values2)
	{
		List<String> ret = new ArrayList<String>();
		for( int i = 0; i < values1.length; i ++ )
		{
			for( int j = 0; j < values2.length; j ++ )
			{
				if( values1[i].equals( values2[j]))
				{
					ret.add( values1[i] );
				}
			}
		}
		return ret;
	}