
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 Senior Grade 2 Class 1, there are 36 students participating in a physical examination, numbered from 1 to 36. If a systematic sampling method is used to draw a sample of size 4, and it is known that the sample includes students with numbers 6, 24, and 33, then the number of the remaining student in the sample is ______.

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