
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
For numbers from 1 to 1992, calculate the sum of the digits of each number, then calculate the sum of the digits of the resulting 1992 numbers, and so on, until 1992 single-digit numbers are obtained. How many 1s, 9s, and 0s are there among these numbers?

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