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.

Example input: Title: Marcus Buys Khakis. Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: The pair he bought fit him perfectly. Sentence 3: He decided to buy a pair of khakis. Sentence 4: All of his clothes were either too formal or too casual. Sentence 5: Marcus was happy to have the right clothes for the event.
Example output: 24
Example explanation: Marcus's reasons for buying khakis is established, followed by his purchase of them and reaction.
Q: Title: The test. Sentence 1: She was concerned about her grade. Sentence 2: She hadn't prepared much for the test. Sentence 3: Lacy was scared. Sentence 4: She took the test. Sentence 5: She found out she passed the test.
A:
31