
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 torpedo boat is anchored 9 km from the nearest point on the shore. A messenger needs to be sent from the boat to a camp located 15 km along the shore from the nearest point of the boat. If the messenger travels on foot at a speed of 5 km/h and rows at a speed of 4 km/h, at which point on the shore should he land to reach the camp in the shortest possible time?

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