Suppose that $ABC_4+200_{10}=ABC_9$, where $A$, $B$, and $C$ are valid digits in base 4 and 9. What is the sum when you add all possible values of $A$, all possible values of $B$, and all possible values of $C$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Suppose that $ABC_4+200_{10}=ABC_9$, where $A$, $B$, and $C$ are valid digits in base 4 and 9. What is the sum when you add all possible values of $A$, all possible values of $B$, and all possible values of $C$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
Suppose that $ABC_4+200_{10}=ABC_9$, where $A$, $B$, and $C$ are valid digits in base 4 and 9. What is the sum when you add all possible values of $A$, all possible values of $B$, and all possible values of $C$?
train