alright but can you tell me how to solve AtCoder Beginner's Contest 297 E

Sure, I can help you with that! AtCoder Beginner's Contest 297 E is a coding challenge, so to solve it, you will need to write a program that can solve the given problem statement. You can start by reading and understanding the problem statement, and then breaking it down into smaller sub-problems that can be solved independently. Once you have a clear understanding of the problem requirements, you can start writing your code to solve it. Good luck!