2864: ABC151A - Next Alphabet

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:5 Solved:4

Description

Problem Statement

Given is a lowercase English letter C that is not z. Print the letter that follows C in alphabetical order.

Constraints

  • C is a lowercase English letter that is not z.

Input

Input

Input is given from Standard Input in the following format:

C

Output

Output

Print the letter that follows C in alphabetical order.

Sample Input Copy

a

Sample Output Copy

b