In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to arrange the sentences in order to make a story that makes complete sense and is apt for the title. Indicate your answer using the number of the sentences in order, such as '34152'.

Let me give you an example: Title: Marcus Buys Khakis. Sentence 1: All of his clothes were either too formal or too casual. Sentence 2: Marcus needed clothing for a business casual event. Sentence 3: The pair he bought fit him perfectly. Sentence 4: Marcus was happy to have the right clothes for the event. Sentence 5: He decided to buy a pair of khakis.
The answer to this example can be: 21534
Here is why: Marcus's reasons for buying khakis is established, followed by his purchase of them and reaction.

OK. solve this:
Title: Walking Around the Block. Sentence 1: Next thing she knew, Tim was outside walking everyday. Sentence 2: He needed to be walking everyday so that he could be active. Sentence 3: He wasn't doing so until he almost had to go back to the hospital. Sentence 4: His wife explained to him the importance of walking everyday. Sentence 5: Tim had been in and out of the hospital for a while.
Answer:
52341