
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
In a library, there are $1421$ boxes, each containing $27$ books.

A librarian decides to redistribute these books such that each new box contains $35$ books. After filling as many boxes as possible with $35$ books each, how many books will the librarian have left over?

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