For Valentine's day, AQT wants to give a letter to his valentine. He currently has a string of lowercase letters and wants to give one to his valentine that isn't present in the string. Help him find one!
Constraints
consists only of the letters abcdefghijklmnopqrstuvwxyz
(lowercase English alphabet).
Input Specification
The first line contains the string .
Output Specification
Output a letter that AQT does not have.
Note: If there are multiple letters that meet this criterion, output the one with lowest alphabetical order. See sample explanation for more details.
Sample Input
zdeac
Sample Output
b
Explanation
The letters AQT doesn't have are bfghijklmnopqrstuvwxy
. Out of all of them, b
is the one that comes first in the alphabet.
Comments
Here this will save y'all some time
edit: nvm u don't need this
Thanks anyway