Q: 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.
Title: Sam gets stung. Sentence 1: Sam is playing in her tree house. Sentence 2: Suddenly she feels a pain. Sentence 3: She starts to cry. Sentence 4: Her parents told Sam she was stung by a bee. Sentence 5: She runs to her parents.
A:
45