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.*;
public class Main {	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.next();

		System.out.println(core(s));
	}
	
	static String core(String s) {
		char a = s.charAt(0);
		a++;
		
		
		char cs[] = new char[1];
		cs[0]=a;
		return new String(cs);
	}	
}