
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 $4$ monographs and a certain middle school requires all $4$ courses to be completed in three years, with at least one course chosen each academic year, calculate the total number of different elective ways for Xiaonan.

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