Definition: 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'.
Input: Sentence1: They sent him his free pizza an hour later. Sentence2: Then he remembered he had won a free pizza last week! Sentence3: John wanted pizza, but he was broke. Sentence4: John devoured his pizza. Sentence5: He called the pizza place and gave them his code.
Output:
42153