
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
Daphne's three friends, Alex, Bella, and Carol visit her regularly but on different schedules. Alex visits every second day, Bella every fifth day, and Carol every sixth day. All three friends visited Daphne yesterday. You are to determine how many days of the next 400-day period will exactly two friends visit Daphne?
A) 76
B) 78
C) 80
D) 82

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