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: Brand new phone. Sentence 1: Allie just turned twelve. Sentence 2: Finally they said yes and gave her one. Sentence 3: All her friends had one. Sentence 4: So she begged her parents relentlessly. Sentence 5: She really wanted an iphone.
A:
52