
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
Define a 10-digit telephone number as memorable if the prefix $d_1d_2d_3d_4$ matches exactly the postfix $d_6d_7d_8d_9$. Each digit, $d_i$, can be any decimal digits from 0 to 9. Determine the number of different memorable telephone numbers possible.
A) 90,000
B) 95,000
C) 98,000
D) 100,000
E) 110,000

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