
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
A school offers 10 courses for students to choose as electives. Among them, courses A, B, and C are offered at the same time, so at most one of these can be chosen. The school requires each student to choose three courses. The number of different elective schemes available to each student is ______.

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