<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 The 1000 students participating in a math competition are numbered as follows: 0001, 0002, 0003, ..., 1000. It is planned to draw a sample of size 50 by dividing into 50 parts using systematic sampling. If the first part includes the numbers 0001, 0002, 0003, ..., 0020, and a random number 0015 is drawn from the first part, then the 40th number drawn will be _______. Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
0795
The 1000 students participating in a math competition are numbered as follows: 0001, 0002, 0003, ..., 1000. It is planned to draw a sample of size 50 by dividing into 50 parts using systematic sampling. If the first part includes the numbers 0001, 0002, 0003, ..., 0020, and a random number 0015 is drawn from the first part, then the 40th number drawn will be _______.
test