
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
A quarter of the students in a class are non-swimmers. Half of the non-swimmers signed up for a swimming course. Four non-swimmers did not sign up for the course. How many students in the class can swim, and how many students are there in total in the class?

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