
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
A valid license plate in Yonderland consists of three letters followed by four digits. The letters must be distinct and the first digit cannot be zero. How many valid license plates are possible?

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