
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 a natural number $n$ makes a column addition $n + (n+1) + (n+2)$ without carrying over in the decimal system, what is the number of "good numbers" less than 1000?

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