<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 What least number should be added to 1057, so that the sum is completely divisible by a certain number? The answer is 1. What is the divisor? Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
1058
What least number should be added to 1057, so that the sum is completely divisible by a certain number? The answer is 1. What is the divisor?
test