<|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
 Jack plans to ride from his home to Jill's home. Jill's home is located three blocks east and two blocks north of Jack's home. At each intersection, Jack can choose to go east or north, but he must avoid the intersection that is one block east and one block north of his home due to frequent traffic accidents. Find the number of different cycling routes Jack has to get to Jill's home. Express your answer as a whole number. 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
4
Jack plans to ride from his home to Jill's home. Jill's home is located three blocks east and two blocks north of Jack's home. At each intersection, Jack can choose to go east or north, but he must avoid the intersection that is one block east and one block north of his home due to frequent traffic accidents. Find the number of different cycling routes Jack has to get to Jill's home. Express your answer as a whole number.
test