
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
There are 20 cards, each inscribed with a natural number greater than 0, and the sum of the natural numbers on any 9 cards is not greater than 63. If the cards with numbers greater than 7 are called "Dragon Cards," how many "Dragon Cards" can there be at most? What is the maximum sum of the natural numbers on all "Dragon Cards"?

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