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.
Q: Title: Timid. Sentence 1: Fran was a very chubby young woman. Sentence 2: Fran was embarrassed and decided to walk home. Sentence 3: Fran showed up in jeans but her friends were in bathing suits. Sentence 4: Her friends started asking her questions about her weight. Sentence 5: She got invited to the beach by her friends one day.
A:
25