
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
Andrew and Bella are both Beatles fans. Their respective collections share fifteen of the same albums. Andrew has twenty-three albums in his collection. Nine albums are in Bella's collection, but not Andrew's. How many albums are in either Andrew's or Bella's collection, but not both?

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