Find the greatest common divisor of $40304$ and $30203$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find the greatest common divisor of $40304$ and $30203$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1
Find the greatest common divisor of $40304$ and $30203$.
train