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.

Ex Input:
Title: Macaroni. Sentence 1: She was able to heat the mixture to remove some. Sentence 2: As she was mixing her ingredients, she added too much milk. Sentence 3: Cindy always made the best macaroni and cheese. Sentence 4: Luckily no one noticed. Sentence 5: It still tasted great.

Ex Output:
13

Ex Input:
Title: Island. Sentence 1: Zachary dreamed of visiting a tropical island. Sentence 2: He was concerned that he could not afford the trip. Sentence 3: He started to plan his vacation online. Sentence 4: To his surprise, it was quite affordable. Sentence 5: He waited in anticipation for the departure day to come.

Ex Output:
23

Ex Input:
Title: Hairspray. Sentence 1: She drove to the store and looked at her options. Sentence 2: Bonnie needed to buy some new hairspray. Sentence 3: For once, Bonnie decided to go with a different brand. Sentence 4: The new brand ended up stinging her scalp. Sentence 5: Bonnie decided to never try a new hairspray brand again.

Ex Output:
21