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: Fast Driver. Sentence 1: But it was only because he thought driving fast would be fun. Sentence 2: And he sped through his neighborhood. Sentence 3: But after running over a dog, he stopped speeding for good. Sentence 4: Tim wanted to learn how to drive. Sentence 5: When he got a new car for his birthday, he went nuts.
A:
41523