use proconio::{input, marker::Bytes};

fn main() {
    input! {
        s: Bytes,
    }
    let x = s.iter().position(|c| b'0' <= *c && *c <= b'9').unwrap();
    println!(
        "{}{}",
        s[..x]
            .iter()
            .rev()
            .map(|c| (*c as char).to_string())
            .collect::<Vec<_>>()
            .join(""),
        s[x..]
            .iter()
            .map(|c| (*c as char).to_string())
            .collect::<Vec<_>>()
            .join("")
    );
}