
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 how many years, from 2000, will the population of Atlantis reach or exceed the limit that King Poseidon stated the island could sustain, considering the population doubles every 20 years and there is a volcanic eruption every 40 years that halves the population?

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