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 <iostream>
#include <math.h>
#include <stdio.h>
#include <algorithm>
#define rep(i,n) for(int i = 0; i < n;i++)
#define ll long long
#include <bits/stdc++.h>
using namespace std;

  int main(){
  char s;cin>>s;
    int p=0;
    for(char moji='a'; moji<='z'; ++moji)
    {
        if(p==1)
      {
        cout<<moji;
        break;
      }
      if(s==moji)
      {
        p++;
      }
    
    }
    
  }