import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int w = scan.nextInt();
        for(int i = 0 ; i < h ; i++){
        	String iwi = scan.nextLine();
        	if(iwi.charAt(0) == '.'){
        		for(int j = 0 ; j < w-6;j++){
        			System.out.print(".");
        		}
        		System.out.println("yiwiY9");
        	}else{
        		System.out.println("9Yiwiy");
        		for(int j = 0 ; j < w-6;j++){
        			System.out.print(".");
        		}
        	}
        }
    }
}