>>It should be 7, but unfortunately I'm a bit late. :(
>>
>
>I just don't understand why is it unfortunate for you that you are late with the solution? Are you contributing to all the threads just to satisfy your ego or you are trying to help?

Trying to help. It's just that I knew the answer right from looking at the question, but I was not there when you asked it. You know, I'm so busy at work that I practically don't have time to check UT.