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)

#include <bits/stdc++.h>
#pragma GCC optimize("O3")

using namespace std;

typedef long long ll;

ifstream fin ("spioni.in");
ofstream fout ("spioni.out");

#define f first
#define s second

int c;

int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);
  char ch;
  cin >> ch;
  cout << (char)(ch + 1);
  return 0;
}