
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 city map where Dan, Emily, and Fiona live is depicted on the Cartesian plane. Dan is located at $(8, -25)$, and Emily is at $(3, 18)$. They decide to meet at a point equidistant from their locations and then walk north to reach Fiona's location at $\left(5, 5\right)$. How many units do Dan and Emily walk north together to reach Fiona?

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