
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
The members of a choir are arranged in a rectangular formation. When they are arranged in 12 rows, there are 10 positions unoccupied in the formation. When they are arranged in 14 rows, there are 12 positions unoccupied. How many members are in the choir if the membership is between 300 and 400?

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