
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
The White Queen needed to send four letters and, due to absent-mindedness, she placed some letters in the wrong envelopes. Each envelope received exactly one letter. It turned out that she could either send exactly three letters to the correct addresses, exactly two letters to the correct addresses, or exactly one letter to the wrong address.

How many letters did she send to the correct addresses?

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