Detailed Instructions: 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: Typing Game. Sentence 1: Ray had to practice typing using a game at school. Sentence 2: And he became very obsessed with playing it. Sentence 3: Ray was very happy to win a typing competition one day. Sentence 4: And eventually, he became one of the fastest typists in his city. Sentence 5: Students began to watch how fast he could type.
A:
53