Instructions: In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to determine which two sentences need to be swapped sentences in order to make a story that makes complete sense and is befittingly titled. Indicate your answer using the numbers of the two sentences in order, such as '34' or '25'. The first digit refers to the sentence which should come first in the story.
Input: Title: Good Luck. Sentence 1: Tom was in a playful mood. Sentence 2: He decided to buy a scratch off ticket. Sentence 3: Tom decided to buy a couple more tickets. Sentence 4: Tom wound up winning a hundred bucks. Sentence 5: He didn't win anything on those, though.
Output:
43