
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
Andy and Bella, two siblings, bake 30 cookies. Bella eats a number of cookies that is exactly twice the number of cookies eaten by her brother. If the siblings finish all 30 cookies, what is the maximum number of cookies that the brother, Andy, could have eaten?

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