
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
Given that there are 600 students in Grade 10, 800 students in Grade 11, and 400 students in Grade 12, and the school is conducting an extracurricular reading survey for 18 students, determine the number of students that should be selected from each grade.

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