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;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace alfabetto
{
    class Program
    {
        static void Main(string[] args)
        {
            var moji = Console.ReadLine();
            char charmoji = moji[0];
            int mojicode = (int)charmoji;
            int nextmojicode = mojicode + 1;
            char nextmoji = (char)nextmojicode;
            Console.WriteLine(nextmoji);
        }
    }
}