Twelve...

Tom was starting he's first day of job as a policeman. So as he was patrolling. He saw there's one old man keep walking round and round a well saying twelve, twelve, twelve.

So out of curiosity he walk forward and ask the old man, how come he keep counting twelve.

The old man point his finger in the well. So as Tom was bending down and look into the well. The old man give Tom a mighty hard kick and Tom fell into the well.

And the old man continue walking round and round the well saying thirteen, thirteen, thirteen, thirteen...