
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
From 1000 students participating in a math competition, a sample of 50 students is drawn using systematic sampling. If the first segment of numbers is 0001, 0002, 0003, …, 0020, and the first number randomly drawn is 0015, then the 40th number drawn is **\_\_\_\_\_**.

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