
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 2022-digit natural number is given, where any two consecutive digits (in the same order) form a two-digit number that is divisible either by 19 or by 23. The given number starts with the digit 4. What digit does it end with?

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