
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
Given that students with ID numbers 3, 29, and 42 are in the sample, and the sampling method is systematic, determine the ID number of the fourth student in the sample.

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