Instructions: In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to arrange the sentences in order to make a story that makes complete sense and is apt for the title. Indicate your answer using the number of the sentences in order, such as '34152'.
Input: Title: Side Business. Sentence 1: Kara worked at a pizzeria in an unsavory neighborhood. Sentence 2: Many of her coworkers were on probation and were drug tested. Sentence 3: Kara made extra money, and her coworkers got to pass their tests! Sentence 4: She sold her clean urine to her desperate coworkers! Sentence 5: Since Kara did no drugs, she had a great idea to make extra cash.
Output:
12543