
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
This year, a class of 56 students subscribed to the "Junior High School Mathematics Study" magazine. Among them, 25 boys and 15 girls subscribed to the magazine in the first half of the year, and 26 boys and 25 girls subscribed in the second half of the year. There were 23 boys who subscribed for the whole year. How many girls only subscribed to the magazine in the first half of the year?

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