An ordered pair of digits $(a, b)$ is such that $4a5,b32$ is a multiple of 66. Find $a+b$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
An ordered pair of digits $(a, b)$ is such that $4a5,b32$ is a multiple of 66. Find $a+b$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
An ordered pair of digits $(a, b)$ is such that $4a5,b32$ is a multiple of 66. Find $a+b$.
train