
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\\) Input a number \\(x\\), output its absolute value;  
\\(②\\) Find the volume of a cube with a surface area of \\(6\\);  
\\(③\\) Calculate the value of the function \\(f(x)=\\)\\(\begin{cases} x^{2}+1 & (x\geqslant 0), \\ 2x-2 & (x < 0) \end{cases}\\).

Among these, the ones that require the use of conditional statements to describe their algorithms are \_\_\_\_\_\_\_\_\\((\\)fill in the serial numbers\\()\\).

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