use std::io;
use std::io::prelude::*;

fn main() {
    let stdin = io::read_to_string(io::stdin()).unwrap();
    let mut stdin = stdin.split_whitespace();
    let stdout = io::stdout();
    let mut stdout = io::BufWriter::new(stdout.lock());

    let s = stdin.next().unwrap();
    let letters: Vec<char> = "ZYXWVUTSRQPONMLKJIHGFEDCBA".chars().collect();
    let s: String = s
        .chars()
        .zip((1..=26).cycle())
        .map(|(c, n)| {
            let position = letters.iter().position(|&x| x == c).unwrap_or(0);
            letters[(position + n) % letters.len()]
        })
        .collect();
    
    
    writeln!(stdout, "{}", s).unwrap_or(());
}