
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
Five distinguished high school graduates return to their alma mater, Chengdu No.7 High School, to participate in an inspirational event for the class of 2015. They are to share their learning experiences across three different classes, with each class receiving at least one graduate. Calculate the number of distinct distribution methods.

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