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: Cake. Sentence 1: Sarah wanted to bake a cake. Sentence 2: She began to make her cake. Sentence 3: She got the ingredients she needed from the store. Sentence 4: So she looked online for recipe. Sentence 5: Her cake came out of the oven and it looked good.

Ex Output:
24

Ex Input:
Title: Bad parent. Sentence 1: Mathilda had a child. Sentence 2: Due to him, the dad got custody of him. Sentence 3: And so the child became ill. Sentence 4: She neglected to take care of him. Sentence 5: So now Mathilda is sad due to missing him.

Ex Output:
42

Ex Input:
Title: prank. Sentence 1: Sheila went to her apartment late at night. Sentence 2: Suddenly, she heard uneven sound from her room. Sentence 3: She was so scared and don't know what to do. Sentence 4: Until her friends showed up and she realized it's just a prank. Sentence 5: When she's inside her room she saw a ghost and she began to cry.

Ex Output:
54