
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
From point \( A \) to point \( B \), which are 5 km apart, a pedestrian starts walking. At the same time, a cyclist with a speed twice that of the pedestrian starts towards the pedestrian from point \( B \). Upon meeting the pedestrian, the cyclist turns around and heads back to \( B \). Reaching \( B \), the cyclist turns again and heads towards the pedestrian, and so forth. What distance will the cyclist have traveled by the time the pedestrian arrives at \( B \)?

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