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 C++14 (GCC 5.4.1) (judge verdict: Accepted)

#define _USE_MATH_DEFINES

#include <iostream>
#include <iomanip>
#include <vector>
#include <cmath>
#include <array>
#include <functional>
#include <algorithm>
#include <numeric>
#include <string>
#include <stack>

int main()
{
	//std::cout << std::fixed << std::setprecision(15);

	char c;
	std::cin >> c;

	std::cout << static_cast<char>(c + 1) << std::endl;

	return 0;
}