
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
Consider all six-digit palindromes written as $\overline{abcdcba}$, where $a, b, c, d$ are digits and $a$ is not zero. Calculate the sum of the digits of the sum of all such six-digit palindromes.
A) 26
B) 33
C) 45
D) 36
E) 54

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