
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
On each of the four cards, there is a natural number written. Two cards are chosen at random, and the numbers on them are added together. With equal probability, this sum can be less than 9, equal to 9, or greater than 9. What numbers can be written on the cards?

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