Definition: 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: Bingo. Sentence 1: Jenn and her Grandma went to bingo one day. Sentence 2: After a couple games of not winning, the started to lose hope. Sentence 3: They sat down and begin to play. Sentence 4: They stood in line and bought their papers. Sentence 5: Then they won the last game and went home happy!
Output:
42