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: Marathon. Sentence 1: Every morning, I ran 5 km along the road near my house. Sentence 2: After another year, I took part in a marathon. Sentence 3: I was overjoyed that I managed to finish the marathon. Sentence 4: I decided to take up running in an effort to lose weight. Sentence 5: After a year, I managed to run 10 km three times a week.
A:
41523