#539. Swap upper and lower case
You are given a text. Make uppercase letters lowercase and lowercase letters uppercase.
### Input
One line.
### Output
One line.
Examples
Input
madam Winter 7
Output
MADAM wINTER 7
Input
Garden flower computer list variable winter
Output
gARDEN FLOWER COMPUTER LIST VARIABLE WINTER
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.