
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
At the end of the fiscal year, a traditional audit is conducted for the activities of several subsidiary enterprises of an oil and gas holding company. This year, there are 13 oil refineries (OR) and 15 gas transportation units (GTU). How many options are there for selecting an audit target at the beginning of the second week, if during one week the auditing firm can visit no more than 2 ORs and 3 GTUs?

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