
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
Determine the minimal number \( n \) such that 1 can be expressed as a sum of \( n \) positive real numbers, each having a decimal representation composed solely of the digits \( 0 \) and \( 9 \). Each contributing number in the sum must have a unique non-repeating decimal pattern.
A) 7  
B) 8  
C) 9  
D) 10  
E) It is impossible to represent 1 as a sum of such numbers.

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