
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 messenger was riding on a horse to deliver a message to Ilya Muromets. At some point, he noticed that Ilya Muromets passed by him (continuing in the opposite direction). After 10 seconds (when the horse stopped), the messenger dismounted and started running to catch up with Ilya. How many seconds will it take for the messenger to deliver the message if he runs twice as fast as Ilya Muromets, but five times slower than the galloping horse?

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