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 5.4.1) (judge verdict: Accepted)

#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>

#define GYOU_MAX 256
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define PRINT(str) printf(#str "\n")
#define FOR(i, m, n) for(int i = m; i < n; i++)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define pi acos(-1.0)
#define v_pri(val) printf("%d\n",val);
#define s_pri(str) printf("%s\n",str);
#define v_sca(x) scanf("%d",&x);
#define s_sca(x) scanf("%s",x);

typedef long long int ll;


/*
puts("コメント");
//*/

int main(void) {

	char a;
	scanf("%c", &a);
	printf("%c", a + 1);

	return 0;
}