Q: In this task, you're given a short story of five sentences written in natural language. However, the order of the given story is not correct. Your job is to return the correct order for the given five sentences to create a coherent short story with the new order that has the correct flow. Generate your answer using the number of sentences in the correct order, such as '23415'.
Sentence1: So I went to the pen shop at my local mall. Sentence2: I bought the pen. Sentence3: The shop had just the model of pen I wanted. Sentence4: I'd seen online videos of a nice pen called a Pelikan M800. Sentence5: I decided to add a new fountain pen to my collection.
A:
35421