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>

int main(){
    char C;
    int output;
    scanf("%s",&C);
    if(C == 'z'){
        printf("Input alphabet from 'a' to 'y'.");
        return -1;
    }
    output = (int)C + 1;
    printf("%c",(char)output);
    return 0;
}