<|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
 Determine the number of distinct schedules for one day's classes that a class can have, assuming there are six subjects—Chinese, Mathematics, Politics, English, Physical Education, and Art—with one period for each. The constraints are that the Mathematics period must be one of the first three periods, and English must not be in the sixth period. 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
288
Determine the number of distinct schedules for one day's classes that a class can have, assuming there are six subjects—Chinese, Mathematics, Politics, English, Physical Education, and Art—with one period for each. The constraints are that the Mathematics period must be one of the first three periods, and English must not be in the sixth period.
test