It’s particularly crowded, and there are long lines of people waiting to use the equipment.First, he waits in the pull-up bar line, and does 25 pull-ups.Next, he waits in the weightlifting line, and does 50 bench presses.After that, the boxer looks around for the punching bag, but can’t find it anywhere.After walking around the gym for about twenty minutes, he finally comes to the conclusion that there is no punchline.