
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
Tina wrote the digits $1$, $2$, $3$, $4$, $5$, and $6$ in order repeatedly from left to right, forming a list of $15,000$ digits, starting $123456123456\ldots.$ She then erased every fourth digit from the original list, then every fifth digit from the resulting list, and finally every sixth digit from the list that still remained. What is the sum of the three digits that were then in the positions $3019, 3020, 3021$?
A) 4
B) 5
C) 6
D) 7

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