Given the task definition and input, reply with output. 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: Amy Helps. Sentence 1: Andre had a work project due in two days. Sentence 2: Andre made sure that Amy got due credit for her assistance. Sentence 3: He asked Amy to help him with the project. Sentence 4: Andre's project was completed on time with Amy's help. Sentence 5: He was falling behind on this project.

25