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.

Ex Input:
Title: Bad Dancer. Sentence 1: Tim was at his prom. Sentence 2: Unfortunately he was terrible and kept stepping on her. Sentence 3: Tim gave it a try. Sentence 4: His date really wanted to dance. Sentence 5: Tim didn't dance again the entire night.

Ex Output:
42

Ex Input:
Title: Celery. Sentence 1: Lopez did not like celery at all. Sentence 2: After that, Lopez ate celery almost every day. Sentence 3: One day, his friend suggested it to him. Sentence 4: Finally, he decided he would eat a little. Sentence 5: In fact, he had eaten it only once.

Ex Output:
25

Ex Input:
Title: Vegas Trip. Sentence 1: Once he got there he went straight to a casino. Sentence 2: Ryan was heading to Las Vegas for a weekend. Sentence 3: Ryan didn't leave the casino except to eat and sleep. Sentence 4: Ryan ended up blowing all of his money gambling. Sentence 5: On the way back home, Ryan swore he was never going back.

Ex Output:
12