
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
At a math evening, there were fifth and sixth-grade students. Together there were more than 70 but less than 90 students. The total rows of chairs, where the students sat in the hall, were 3 more than the number of sixth-grade students in each row, while the fifth-grade students sat 3 per row. How many sixth graders and fifth graders were there separately at the evening?

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