
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
At a national conference, 25 scientists are accommodated at a hotel. Each scientist is assigned one unique room, with room numbers ranging from 1 to 25. If the scientists assigned to rooms 10, 11, and 20 are absent, what is the median room number of the rooms occupied by the remaining 22 scientists?

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