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;
using System.Collections.Generic;

namespace tst
{
    class Program
    {
        public static void Main()
        {
            string In = Console.ReadLine();
            char C = In[0];
            string A = "abcdefghijklmnopqrstuvwxyz";
            for(int i=0; i<25; i++){
                if (A[i] == C)
                {
                    Console.WriteLine(A[i + 1]);
                }
            }
        }

    }
}