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 ll long long int
#define mod 1000000007
using namespace std;
ll n,w,l,i,j,lo,hi;
ll h[100005],r[100005];
ll check(ll m)
{
	
	ll sum=0;
	for(i=0;i<n;i++)
	{
		ll height=h[i]+m*r[i];
		if(height>=l)
		{
			sum=sum+height;
		}
		if(sum>=w)
		break;
		
	}
	return sum;
}

int main(){

ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    char c;
    cin>>c;
    cout<<(char)(c+1);
}