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 Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		String s = scan.next();

		String alphabet = "abcdefghijklmnopqrstuvwxyz";
		for (int i = 0; i < alphabet.length(); i++) {
			if (s.equals(alphabet.substring(i, i + 1))) {
				System.out.println(alphabet.substring(i + 1, i + 2));
			}
		}
		scan.close();
	}

}