
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
Yura wrote down a four-digit number. Lёnya added 1 to the first digit of this number, 2 to the second, 3 to the third, and 4 to the fourth, and then multiplied the resulting sums. Lёnya got 234. What number could Yura have written down?

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