
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
If numbers \( x \) and \( y \) satisfy \( x^{2}+y^{2} \leqslant 5 \), then the maximum possible value of the expression \( 3|x+y| + |4y + 9! + |7y - 3x - 18| \) is ___.

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