<|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
 Among all six-digit numbers, how many have digits that sum up to 52? Provide your answer as a single integer count. 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
21
Among all six-digit numbers, how many have digits that sum up to 52? Provide your answer as a single integer count.
test