
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 300-digit number \(12251225 \ldots 1225\) is written on a board. You are allowed to perform the following operation: erase two adjacent digits whose sum does not exceed 9, and write their sum in their place. This operation is performed repeatedly on the number until it is no longer possible. What is the largest possible number that could result on the board?

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