
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Jaden has a secure digital lock that requires inputting a sequence of four numbers:
1. The first number is an odd number between 1 and 20.
2. The second number is an even number between 1 and 20.
3. The third number is a multiple of 4 between 1 and 20.
4. The fourth number is a prime number less than 20.
How many possible combinations could Jaden's lock code be?

Present the answer in LaTex format: \boxed{Your answer}
user