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.IOException;

public class Main {
    public static void main(String[] args) throws IOException {
        char c = (char) System.in.read();
        int b=0;
        if( c>=97 && c<122){
            b = c + 1;
        }
        else {
            System.out.println("Not allowed");
        }
        c =(char)b;
        System.out.println(c);
    }
}