
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 that $a$ is a two-digit number and $b$ is a one-digit number, form a three-digit number by appending $b$ to the end of $a$, express this new number in terms of $a$ and $b$.

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