
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
Mark has forgotten his suitcase combination. It is a sequence of three numbers, each in the range from 1 to 40, inclusive. He remembers that:
- The first number is a multiple of 4,
- The second number is odd,
- The third number is a multiple of 5.
How many combinations could possibly be Mark's?

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