Uppercase and lowercase letters

Write a program that reads a letter and prints it in lowercase if it was uppercase, or prints it in uppercase if it was lowercase.

Input

Input consists of a letter.

Output

Print a line with the given letter in lowercase if it was uppercase, or in uppercase if it was lowercase.

Problem information

Author: Unknown
Translator: Carlos Molina

Generation: 2026-01-25T12:20:22.399Z

© Jutge.org, 2006–2026.
https://jutge.org