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: New House. Sentence 1: Linda picked out new paint for the walls. Sentence 2: The room was orange and dirty. Sentence 3: She first had to patch the holes and paint the trim. Sentence 4: She painted the walls a bright new pale yellow. Sentence 5: With pictures hung on the freshly painted walls, it looked like home.

Ex Output:
21

Ex Input:
Title: Baked Potato. Sentence 1: Ethan turned the oven on. Sentence 2: He ate it for dinner. Sentence 3: It cooked for an hour. Sentence 4: He pulled it out. Sentence 5: He put a potato in the oven.

Ex Output:
25

Ex Input:
Title: Lost Pen. Sentence 1: Tim worked at a busy office. Sentence 2: He was always losing his pens. Sentence 3: He lost a lot less pens after that. Sentence 4: Tim was able to keep track of them much better. Sentence 5: He decided to get really silly colorful ones.

Ex Output:
35