
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
Define: \(a \Delta b = a \times 1 \underbrace{00 \cdots 00}_{b \uparrow 0} + b, a \square b = a \times 10 + b\) (where \(a, b\) are natural numbers), compute \(2018 \square (123 \Delta 4)\).

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