
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
Meteorological observations. At the weather station, it was noticed that during a certain period of time, if it rained in the morning, then the evening was clear, and if it rained in the evening, then the morning was clear. There were a total of 9 rainy days: 6 times there were clear evenings and 7 times there were clear mornings. How many days did this entire period of time cover?

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