use std::io::Read;

fn main() {
	let mut s = String::new();
	std::io::stdin().read_to_string(&mut s).ok();
	let s = s.lines().last().unwrap();
	println!(
		"{}",
		s.chars()
			.map(|c| (b'z' - c as u8 + b'a') as char)
			.collect::<String>()
	)
}