
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 colony of bacteria starts with 5 cells. Each cell divides into three cells at the end of every three days. Calculate how many cells are there at the end of 15 days.

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