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: Focus. Sentence 1: And his mood was much better throughout the day. Sentence 2: Months later, Henry was much better at focusing. Sentence 3: And he didn't know what was causing it. Sentence 4: Henry had trouble focusing on any task at hand. Sentence 5: He decided to eat healthier and exercise.
Answer:
43512