<|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
 A positive integer whose digits are the same when read forwards or backwards is called a palindrome. An example of a palindrome is 13931. Find the sum of the digits of the next palindrome greater than 13931. Express your answer as a single integer. 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
10
A positive integer whose digits are the same when read forwards or backwards is called a palindrome. An example of a palindrome is 13931. Find the sum of the digits of the next palindrome greater than 13931. Express your answer as a single integer.
test