A kangaroo kept getting out of his enclosure at the
zoo. Knowing that he could hop high, the zoo
officials put up a ten-foot fence. He was out the
next morning, just sauntering around the zoo. A
twenty-foot fence was put up. Again he got out.
When the fence was forty feet high, a camel in the next enclosure asked the kangaroo, "How high do
you think they'll go?"
The kangaroo said, "About a thousand feet, unless
somebody locks the gate at night!"

Am tired !

is this a joke?

This is not a joke!

@op, you can surely do better than this.