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.io.*;
import java.util.*;

    public class Main extends PrintWriter {
        Main() { super(System.out, true); }
        Scanner sc = new Scanner(System.in);
        public static void main(String[] $) {
            Main o = new Main(); o.main(); o.flush();
        }

        void main(){
            char C = sc.next().charAt(0);

            if(C == 'z'){
                print('z');
            }
            else{
                int u;
                u = (int) C;
                u = u+1;
                C = (char) u;
                print(C);
            }



    }
}