
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
Petya is creating a password for his smartphone. The password consists of 4 decimal digits. Petya wants the password to exclude the digit 7, and it must contain at least two (or more) identical digits. How many ways can Petya accomplish this?

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