
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
In a numerical expression, some digits were replaced with letters (different digits - different letters, same digits - same letters). The result is:

\[2018 A: B C D = A A \text{.}\]

What was the original numerical expression? (It is sufficient to give an example. The number \(2018 A\) was originally a five-digit number.)

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