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: Donations. Sentence 1: She had two jackets that didn't fit anymore. Sentence 2: Laura was cleaning out her closet. Sentence 3: There was a donation center near Laura's job. Sentence 4: Laura stopped at the donation center on the way to work. Sentence 5: She donated the jackets at the center.

Ex Output:
21

Ex Input:
Title: The Cougar Sound. Sentence 1: Dale was taking a walk one night. Sentence 2: He was enjoying himself when he began hearing a weird sound. Sentence 3: Fearing for his life he ran home and got safely inside. Sentence 4: He didn't know where it was but it sounded close. Sentence 5: Suddenly he realized the sound was a cougar.

Ex Output:
35

Ex Input:
Title: New Rug. Sentence 1: Our 2 year old granddaughter and her parents are coming from NYC. Sentence 2: My wife decided to buy a new rug. Sentence 3: Our son went to pick it up and the clerk said to come back in 3 days. Sentence 4: She paid for the rug on Wednesday and said she would pick it up later. Sentence 5: My son yelled at him and he found the rug.

Ex Output:
43