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: Accepted)

#include <stdio.h>
int main(){
  char s[2] = {0};
  
  scanf("%s", s);
  if( s[0] == 'z' ){ printf("a"); }
  else{
    s[0] = s[0] + 0x01;
    printf("%s", s);
  }
  return 0;
}