
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
Couriers from locations $A$ and $B$ move at a uniform pace but with different speeds towards each other. After meeting, one of them takes another 16 hours and the other takes another 9 hours to reach their respective destinations. How much time does it take for each of them to travel the entire distance from $A$ to $B$?

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