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: Replacing a Light-Bulb. Sentence 1: Charles got a good deal and bought it. Sentence 2: He didn't realize there were so many options. Sentence 3: He asked a worker about the different kinds. Sentence 4: The worker told him the differences and helped him select an option. Sentence 5: Charles was buying a replacement light bulb at the store.
Example Output: 15

Example Input: Title: Jump Rope Competition. Sentence 1: Alicia loved jumping rope as a young girl. Sentence 2: Alicia was amazed by the moves the jumpers were doing. Sentence 3: Alicia decided to tune in to the jump rope competition. Sentence 4: Alicia was channel surfing, when she saw a jump rope competition. Sentence 5: Alicia was disappointed when the competition was over.
Example Output: 24

Example Input: Title: That Says A Lot. Sentence 1: I had to tell my boyfriend that the cat can't sleep with us anymore. Sentence 2: Today I found out I'm highly allergic to cats. Sentence 3: At about 1:30 this morning, I felt him get out of bed. Sentence 4: I asked him where he was going so late. Sentence 5: He said to sleep in the living room because the cat is sad.
Example Output:
21