use proconio::input;

fn main() {
    input! {
        h: usize,
        _w: usize,
        mut s: [String; h],
    }

    for i in 0..h {
        s[i] = s[i].replace("y9", "Y9");
        s[i] = s[i].replace("9y", "9Y");
        println!("{}", s[i]);
    }
}