// #[rustfmt::skip]
// pub mod lib {pub use ac_library::*;pub use itertools::{join, Combinations, Itertools, MultiProduct, Permutations};pub use proconio::{input,marker::{Chars, Usize1}};pub use std::{cmp::*, collections::*, mem::swap};pub use regex::Regex;pub use superslice::Ext;pub use num_traits::{One, ToPrimitive, FromPrimitive, PrimInt};#[macro_export]macro_rules! degg {($($val:expr),+ $(,)?) => {println!("[{}:{}] {}",file!(),line!(),{let mut parts = Vec::new();$(parts.push(format!("{} = {:?}", stringify!($val), &$val));)+parts.join(", ")})}}}

// use lib::*;

use std::collections::{HashMap, HashSet};

// use itertools::Itertools;
use proconio::{input, marker::{Chars, Usize1}};



fn main() {
    input! {
        h: usize,
        w: usize,
        mut s: [Chars; h]
    }
    
    for i in 0..h {
        for j in 0..w {
            if s[i][j] != '9' {
                continue;
            }
            if j == 0 {
                s[i][j + 1] = 'Y';
            } else if j == w - 1 {
                s[i][j - 1] = 'Y';
                continue;
            } else if s[i][j - 1] == 'y' {
                s[i][j - 1] = 'Y';
            } else {
                s[i][j + 1] = 'Y';
            }
        }
        let ans = s[i].iter().collect::<String>();
        println!("{}",ans);
    }
}