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.*;
import static java.lang.System.*;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String al="abcdefghijklmnopqrstuvwxyz";
        String N = sc.next();
        String ans="a";
        
        for (int i = 0; i < 26; i++) {
            if (N.equals(al.substring(i,i+1))) {
                ans = al.substring(i+1,i+2);
            }

        }
        out.print(ans);
       
    }
}