
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
Given a point $P$ on the ellipse $\frac{x^2}{25} + \frac{y^2}{16} = 1$ whose distance to one focus of the ellipse is $3$, calculate the distance from $P$ to the other focus.

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