Find the modulo 4 residue of $17 \cdot 18$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find the modulo 4 residue of $17 \cdot 18$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
Find the modulo 4 residue of $17 \cdot 18$.
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