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;  
  
namespace ConsoleApplication1  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {
          string hoge = Console.ReadLine();
          if(hoge == "a"){
            Console.WriteLine("b");
          }
            if(hoge == "b"){
            Console.WriteLine("c");
          }
            if(hoge == "c"){
            Console.WriteLine("d");
          }
            if(hoge == "d"){
            Console.WriteLine("e");
          }
            if(hoge == "e"){
            Console.WriteLine("f");
          }
            if(hoge == "f"){
            Console.WriteLine("g");
          }
            if(hoge == "g"){
            Console.WriteLine("h");
          }
            if(hoge == "h"){
            Console.WriteLine("i");
          }
            if(hoge == "i"){
            Console.WriteLine("j");
          }
            if(hoge == "j"){
            Console.WriteLine("k");
          }
            if(hoge == "k"){
            Console.WriteLine("l");
          }
            if(hoge == "l"){
            Console.WriteLine("m");
          }
            if(hoge == "m"){
            Console.WriteLine("n");
          }
            if(hoge == "n"){
            Console.WriteLine("o");
          }
            if(hoge == "o"){
            Console.WriteLine("p");
          }
            if(hoge == "p"){
            Console.WriteLine("q");
          }
          if(hoge == "q"){
            Console.WriteLine("r");
          }
          if(hoge == "r"){
            Console.WriteLine("s");
          }
          if(hoge == "s"){
            Console.WriteLine("t");
          }
          if(hoge == "t"){
            Console.WriteLine("u");
          }
          if(hoge == "u"){
            Console.WriteLine("v");
          }
            if(hoge == "v"){
            Console.WriteLine("w");
          }
          if(hoge == "w"){
            Console.WriteLine("x");
          }
          if(hoge == "x"){
            Console.WriteLine("y");
          }
          if(hoge == "y"){
            Console.WriteLine("z");
          }
        }
    }
}