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: Ski Break. Sentence 1: Naomi liked to water ski during the summer. Sentence 2: Naomi was unable to water ski until the next summer. Sentence 3: The water level of the lake dropped precipitously. Sentence 4: The water was so low that it was not safe for ski boats. Sentence 5: One summer there was a severe drought.

Ex Output:
52

Ex Input:
Title: Lexi wants to be a singer. Sentence 1: Lexi had a passion for singing and music. Sentence 2: She wanted to sing but was very nervous about performing. Sentence 3: Lexi finally got the courage to try to sing. Sentence 4: Lexi took the stage and realized her dreams. Sentence 5: She entered a local talent show in her home town.

Ex Output:
45

Ex Input:
Title: The Commute. Sentence 1: It seemed like they would never arrive. Sentence 2: The professional drove. Sentence 3: Kate and a professional apartment hunter were going to see places. Sentence 4: It took 45 minutes to arrive at the apartment. Sentence 5: In the end Kate realized it was too far to drive everyday.

Ex Output:
31