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 Rust (1.42.0) (judge verdict: Accepted)

use proconio::input;

#[allow(unused_variables)]
fn main() {
    input! {
      c: char,
    };

    let ans = std::char::from_u32( c as u32 + 1 ).unwrap_or(c);

    println!("{}", ans);
}