
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 in a class of 50 students, including 1 class president and 1 vice president, 5 students are to be selected to participate in an activity, and at least one of the class president or vice president must participate, calculate the total number of ways to select the students.

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