
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 bicycle's front tire can last for 6000 km before it can no longer be used, and its rear tire can last for 4000 km before it can no longer be used. If the tires are swapped reasonably during use, the maximum distance the bicycle can travel is     km.

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