
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
A certain organism begins with 5 cells. Each cell splits and becomes three cells at the end of three days. At the end of another three days, every cell of the organism splits and becomes three cells. This process lasts for a total of 12 days, and no cells die during this time. How many cells are there at the end of the $12^\text{th}$ day?

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