
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
Masha conceived of a 10-digit number and told Vasya that the remainder when this number is divided by 9 is 3. Then Masha crossed out one digit and told Vasya that the remainder of the resulting 9-digit number when divided by 9 is 7. Help Vasya guess which digit Masha crossed out. Write this digit in the answer.

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