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 Go (1.6) (judge verdict: Accepted)

package main

import "fmt"

func main() {
	var input string
	fmt.Scan(&input)
	var answer = abc151a(input)
	fmt.Println(answer)
}

func abc151a(str string) string {
	var ret = string([]byte(str)[0] + 1)
	return ret
}