Detailed 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'.
Q: Title: Gaining Weight. Sentence 1: He used it as an excuse not to work out. Sentence 2: He was injured and lost mobility. Sentence 3: He would eat out of boredom. Sentence 4: Eventually Tom realized he had gained a lot of weight. Sentence 5: Tom was in an accident.
A:
52134