
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 courier travels from location $A$ to location $B$ in 14 hours. Another courier starts at the same time as the first one, but from a place $10 \mathrm{~km}$ behind $A$, and arrives at $B$ at the same time as the first. The latter courier covers a distance of $20 \mathrm{~km}$ in half an hour less than the first one. What is the distance from $A$ to $B$?

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