use proconio::{input, marker::Chars};
fn main() {
    input!{
        h: usize,
        w: usize,
        mut s: [String; h]
    }
    for s in s.iter_mut(){
        println!("{}", s.replace("yiwiy9", "yiwiY9").replace("9yiwiy", "9Yiwiy"));
    }
}