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: Unwanted Text. Sentence 1: Darryl got a new phone so he could change his number. Sentence 2: He wanted to avoid some old people in his life. Sentence 3: He only sent his number to people he wanted to talk to. Sentence 4: His friend had given his number to her. Sentence 5: One day Darryl received a text from his ex girlfriend.

Ex Output:
54

Ex Input:
Title: Stuffed Animal. Sentence 1: Francis received five dollars for his birthday. Sentence 2: He bought a stuffed animal with the money. Sentence 3: His older sister took the stuffed animal from his hands. Sentence 4: Francis got his stuffed animal back. Sentence 5: Francis told his parents what had happened.

Ex Output:
54

Ex Input:
Title: Genie's Mask. Sentence 1: Now we are all nervous and waiting to see what happens. Sentence 2: She always seemed sneaky, but she had something up her sleeve. Sentence 3: Next thing we knew, she was in the office talking to the boss. Sentence 4: She was lying about several of us, and wanted us to get fired. Sentence 5: Genie made everyone at work feel uncomfortable today.

Ex Output:
51