
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
In a physical education class, the entire class lined up by height (each student has a different height). Dima noticed that the number of people taller than him is four times the number of people shorter than him. Lёnya noticed that the number of people taller than him is three times less than the number of people shorter than him. How many students are in the class if there are no more than 30 of them?

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