8
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
For what value of $n$ is the four-digit number $712n$, with units digit $n$, divisible by 18?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
8
For what value of $n$ is the four-digit number $712n$, with units digit $n$, divisible by 18?
train