Generate a couple of jokes.
Joke 1: Why don't scientists trust atoms? Because they make up everything. 

Joke 2: Did you hear about the mathematician who’s afraid of negative numbers? He will stop at nothing to avoid them.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a couple of jokes.

### Output:
Joke 1: Why don't scientists trust atoms? Because they make up everything. 

Joke 2: Did you hear about the mathematician who’s afraid of negative numbers? He will stop at nothing to avoid them.