What is the sum of all two-digit positive integers whose squares end with the digits 01?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the sum of all two-digit positive integers whose squares end with the digits 01?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
199
What is the sum of all two-digit positive integers whose squares end with the digits 01?
train