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: Be fit too. Sentence 1: Jessica's friends were all in shape and were very active. Sentence 2: It was a long journey but soon she was squatting more than her friends. Sentence 3: She envied her friends slim trim bodies and vowed get fit too. Sentence 4: Jessica bought a gym membership and soon started working out. Sentence 5: Jessica was overweight and  couldn't walk a step without sweating.

Ex Output:
52


Ex Input:
Title: Underestimating the Competition. Sentence 1: The girl beat Emma by over a second. Sentence 2: She was the fastest 100m runner for 3 years in a row. Sentence 3: This year, a girl who moved to the school entered the 100m sprint. Sentence 4: Emma had never seen her practice, so thought she would be fine. Sentence 5: Sports day was always Emma's favourite day at school.

Ex Output:
15


Ex Input:
Title: The Basketball Game. Sentence 1: Sam had a basketball game yesterday. Sentence 2: He went to the game very excited. Sentence 3: Sam made ten shots and scored twenty points. Sentence 4: After the game Sam and his family went to get ice cream. Sentence 5: He played very hard and tried his best.

Ex Output:

45


