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: Tree House. Sentence 1: Sam went to the store yesterday and bought some wood. Sentence 2: When he finally let us see his project we were amazed. Sentence 3: He worked in his backyard all day. Sentence 4: He would not tell us what he was building. Sentence 5: Sam built the best tree house I have ever seen.

Ex Output:
24

Ex Input:
Title: Bedtime. Sentence 1: Jessa yawned loudly, hoping Marnie would take the hint. Sentence 2: Marnie raised an eyebrow, but said nothing. Sentence 3: Jessa stretched in her chair, the old recliner squeaking noisily. Sentence 4: Of course, Marnie continued to read. Sentence 5: Jessa cheekily turned off the light before running to her room.

Ex Output:
24

Ex Input:
Title: Mail Man. Sentence 1: Lori dog Checker liked to chase after the mail man. Sentence 2: One day he chased the mail truck around the entire block. Sentence 3: The next day the dog managed to jump inside the mail truck. Sentence 4: Lori now keeps the dog inside whenever the mail truck is near. Sentence 5: Lori had to run after the mail truck to stop it from driving off.

Ex Output:
54