
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 1992-digit number is written. Each two-digit number formed by adjacent digits is divisible by 17 or 23. The last digit of the number is 1. What is the first digit?

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