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: Fast Reader. Sentence 1: Sam was always a fast reader. Sentence 2: After a while he got bored of most books. Sentence 3: Since he went through them so fast there were a lot of options. Sentence 4: He kept trying to find something more interesting. Sentence 5: Eventually he gave up and watch movies instead.

Ex Output:
43

Ex Input:
Title: Insufficient Funds. Sentence 1: And he saw shelves filled with chocolate bars. Sentence 2: Ryan was at a grocery store. Sentence 3: He decided to buy tons of chocolate that he didn't need. Sentence 4: But when he needed to buy food the next time, he was short on money. Sentence 5: Ryan decided to only buy what he needed from then on.

Ex Output:
21

Ex Input:
Title: Fish Tank. Sentence 1: Cathy realized that her current fish tank was way to small. Sentence 2: After conducting research, Cathy found a tank at a local pet store. Sentence 3: Cathy knew she had to purchase a much larger fish tank. Sentence 4: Cathy decided to drive to the store to purchase the tank. Sentence 5: Cathy was glad with the purchase of her larger fish tank.

Ex Output:
32