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 (GCC 9.2.1) (judge verdict: Time Limit Exceeded)

#include<stdio.h>

int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
	{
		if(n==0)
continue;
		int sum=0,m;
		for(int i=0;i<n;i++)
		{
			scanf("%d",&m);
			sum+=m;
		}
		printf("%d\n",sum);
	}
}