Problems
Java BufferedReader / BufferedWriter
Java BufferedReader / BufferedWriter
Text is given. Read the text and convert each letter 'a' to 'b' and 'b' to 'a'. Uppercase letter must be changed to uppercase letter. Lowercase letter must be changed to lowercase letter.
Input
Text - sequence of letters.
Output
Print text where 'a' is changed 'b' and 'b' is changed 'a'.
Input example #1
AbbA mama Baba alBla bimA
Output example #1
BaaB mbmb Abab blAlb aimB