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: Written Exam. Sentence 1: Hoodie's general education class had a big exam coming up. Sentence 2: Hodie bought a bubble sheet from a nearby shop. Sentence 3: The professor told everyone to bring a formal exam paper. Sentence 4: On the day of the test Hodie realized it was a written exam. Sentence 5: He bought the wrong paper and had to write his exam in its margins.

Ex Output:
23

Ex Input:
Title: Missed the Bus. Sentence 1: Sara was going to the grocery store on the bus. Sentence 2: She was running late and hurrying towards the bus stop. Sentence 3: Luckily she caught up with another later bus stop. Sentence 4: At first she wanted to give up but she decided to walk. Sentence 5: As she approached she saw the bus arrive, pass her and keep driving.

Ex Output:
35

Ex Input:
Title: The Orphanage. Sentence 1: They took the gifts to them for Christmas. Sentence 2: The church group bought lots of toys for the orphanage. Sentence 3: They loved watching the kids rip open their packages. Sentence 4: It was thrilling to see their faces light up with joy. Sentence 5: They immediately began planning for next year.

Ex Output:
12