
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
A stack of A4 sheets was folded in half and then folded again to create a booklet of A5 format. The pages of this booklet were then renumbered as $1, 2, 3, \ldots$ It turned out that the sum of the numbers on one of the sheets is 74. How many sheets were in the stack?

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