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>
#define INF 9223372036854775807LL
#define inf 1000000007
#define SYOU(x) setprecision(x+1)
#define abs(x,y) (max(x,y)-min(x,y))
#define lol long long
#define mp make_pair
#define fi first
#define se second
using namespace std;
lol a,b,c,d;
int i[100000];
int u[100000];
signed main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  string s,w;
  cin >>s;
  s[0]+=1;
  cout <<s[0]<<'\n';
  return (0);
}