
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
For positive integers \( n \), denote \( D(n) \) as the number of pairs of distinct adjacent digits in the binary representation of \( n \).  Calculate how many positive integers less than or equal to \( 1000 \) satisfy \( D(n) = 2 \).
A) 35
B) 36
C) 37
D) 38

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