058. Switch Case
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Take a single string S as input, then make all capital characters lowercase and all lowercase characters capital.

Input

A single string S containing the string to switch.

Output

The string S after being switched.

Example
Input
HeLlO
Output
hElLo
Note

The string will not contain spaces or non-alphabetic characters.