<|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
 Theresa has some crayons. Janice has 12 crayons and shares 13 with Nancy. After sharing, Theresa will have 19 crayons. How many crayons did Theresa have initially? 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
19
Theresa has some crayons. Janice has 12 crayons and shares 13 with Nancy. After sharing, Theresa will have 19 crayons. How many crayons did Theresa have initially?
test