Problem:
Score : 100 points

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 is given from Standard Input in the following format:

C

Output

Print the letter that follows C in alphabetical order.

Sample Input 1

a

Sample Output 1

b

a is followed by b.

Sample Input 2

y

Sample Output 2

z

y is followed by z.

Solution in C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;

public class AtCoderA
{
    static void Main()
    {
        string s = Console.ReadLine();
        char c = s.ToCharArray()[0];
        char answer = (char)(c + 1);
        Console.WriteLine(answer);
    }
}