
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
Vanya and Petya decided to mow the lawn for a football field. Vanya alone could do it in 5 hours, and Petya alone in 6 hours. They started at 11 o'clock and stopped mowing at the same time when their parents called them, but Petya took an hour for lunch, and Vanya took a two-hour lunch break. One-tenth of the lawn remained unmown. At what time did their parents call the boys?

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