Definition: 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.
Input: Title: The Late Night. Sentence 1: Toby was having a late night of staying up to work. Sentence 2: Finally Toby finished his work and went to bed. Sentence 3: When he started he was already feeling tired. Sentence 4: Before long it was nearly impossible to stay awake. Sentence 5: He needed some fast money and was hoping to make it online.
Output:
25