
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 the following four problems: ① For a given $x$, output its opposite number. ② Find the perimeter of a square with an area of 6. ③ Find the maximum number among three numbers $a$, $b$, and $c$. ④ Calculate the function value. Among these, identify how many do not require conditional statements to describe their algorithms.

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