What is the sum of $101_2$ and $1011_2$? Express your answer in base 2.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the sum of $101_2$ and $1011_2$? Express your answer in base 2.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10000_2
What is the sum of $101_2$ and $1011_2$? Express your answer in base 2.
train