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 Scala (2.11.7) (judge verdict: Accepted)


object Main {
  def main(args: Array[String]): Unit = {
    solve
  }

  def solve(): Unit = {
    import scala.io.StdIn._
    val c = readLine()
    val str = ("abcdefghijklmnopqrstuvwxyz")

    println(str(str.indexOf(c) + 1))
  }

}