In the number $5492473589$, each even digit is increased by 1 and each odd digit is decreased by 1. After this transformation, all repeating digits ar...
Question
In the number $5492473589$, each even digit is increased by 1 and each odd digit is decreased by 1. After this transformation, all repeating digits are removed from the new number formed. What is the sum of the digit that is second from the right end and the digit that is first from the left end in this new number?