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: Dust. Sentence 1: The woman found dust on the desk. Sentence 2: The next day the dust was back. Sentence 3: She cleaned it off. Sentence 4: She bought an air filter. Sentence 5: The next time the desk stayed clean for a week.

Ex Output:
23

Ex Input:
Title: English Beer. Sentence 1: I was reading the novel Vanity Fair last week. Sentence 2: Unfortunately she did get the text and I got domestic beer. Sentence 3: She texted me asking if I wanted beer or ale. Sentence 4: I said any ale, but texted her later asking for English beer. Sentence 5: My wife was out food shopping.

Ex Output:
52

Ex Input:
Title: Rita burns the beans. Sentence 1: Rita is cooking. Sentence 2: She let the beans burn on the stove. Sentence 3: She loses track of the time. Sentence 4: Rita gets company while cooking. Sentence 5: She went to turn off the beans and threw them away.

Ex Output:
24