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++ (Clang 3.8.0) (judge verdict: Accepted)

#include <iostream>
#include <set>
#include <vector>
#include <algorithm>
using namespace std;

typedef unsigned long long int ulint;
typedef long long int lint;

int main(){
  char c;
  cin >> c;

  ++c;
  cout << c << endl;
    

}