Which joke made you laugh for a long time?

Two rich people met one day and saw a piece of dog shit on the roadside, so A said to B: If you eat this piece of shit, I will give you 10 million, B really ate it. Seeing another piece of bird shit, B said to A: If you eat this piece of bird shit, I will give you 10 million. A also ate the bird poop without hesitation! After two minutes, they woke up and hugged each other and cried: We didn't earn a penny, and each of us ate a piece of shit! .....