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: Zebras. Sentence 1: Donny and his family went to the zoo. Sentence 2: Donny's parents asked him which animal he would like to see. Sentence 3: Donny said he wanted to see his favorite animal, the zebra. Sentence 4: That particular zoo did not have any zebras. Sentence 5: His family and he searched the zoo for hours for a zebra enclosure.

Ex Output:
54

Ex Input:
Title: Scratch. Sentence 1: Kate and her friend had dinner at a seafood place. Sentence 2: They ate and enjoyed crab legs. Sentence 3: Kate was starting to get scared. Sentence 4: Ten minutes later she realized she was still scratching. Sentence 5: Kate noticed her friend kept scratching.

Ex Output:
53

Ex Input:
Title: Fred Buys A Cap. Sentence 1: Fred always wanted to know how he would look like in a cap. Sentence 2: He decides to buy one. Sentence 3: Fred loves how he looks in a cap. Sentence 4: He is glad he bought a cap. Sentence 5: His friends love it too.

Ex Output:
54