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: The Recording. Sentence 1: Sheldon got home and listened to his recorder. Sentence 2: Sheldon recorded a lecture to help him study. Sentence 3: The recorder was blank. Sentence 4: He realized he forgot to hit the record button. Sentence 5: He borrowed notes from a friend to study.

Ex Output:
12

Ex Input:
Title: Bat on the Shoe. Sentence 1: But it was getting dark. Sentence 2: She wanted to dry her clothes on the clothes line. Sentence 3: Jane was doing laundry. Sentence 4: As she hung the clothes she felt something on her foot. Sentence 5: She was horrified to see a bat on her shoe.

Ex Output:
31

Ex Input:
Title: Graduation. Sentence 1: Holden was graduating high school. Sentence 2: Holden's family and friends congratulated him. Sentence 3: He wore his blue cap and gown and walked down the aisle. Sentence 4: As he threw his cap in the air, he smiled. Sentence 5: He looked forward to attending college in the fall.

Ex Output:
32