What is the greatest digit that can be placed in the circle so that the six-digit number is divisible by 4? $$3\:5\:2\:9 \bigcirc 2$$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the greatest digit that can be placed in the circle so that the six-digit number is divisible by 4? $$3\:5\:2\:9 \bigcirc 2$$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
9
What is the greatest digit that can be placed in the circle so that the six-digit number is divisible by 4? $$3\:5\:2\:9 \bigcirc 2$$
train