import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int H = sc.nextInt();
		final int W = sc.nextInt();
		
		boolean[][] block = new boolean[H][W];
		for(int i = 0; i < H; i++){
			final char[] ins = sc.next().toCharArray();
			
			for(int j = 0; j < W; j++){
				block[i][j] = ins[j] == '*';
			}
		}
		
		int fst_x = -1, fst_y = -1, snd_x = -1, snd_y = -1;
		for(int i = 0; i < H; i++){
			for(int j = 0; j < W; j++){
				if(!block[i][j]){ continue; }
				
				if(fst_x < 0){
					fst_x = j;
					fst_y = i;
				}else{
					snd_x = j;
					snd_y = i;
				}
			}
		}
		
		if(H * W <= 4){
			LOOP:
			for(int i = 0; i < H; i++){
				for(int j = 0; j < W; j++){
					if(block[i][j]){ continue; }
					
					block[i][j] = true; break LOOP;
				}
			}
		}else{
			if(fst_x == snd_x){
				block[fst_y][(snd_x + 1) % W] = true;
			}else if(fst_y == snd_y){
				block[(fst_y + 1) % H][snd_x] = true;
			}else if(fst_x < snd_x && fst_y < snd_y){
				block[snd_y][fst_x] = true;
			}else if(snd_x < fst_x && snd_y < fst_y){
				block[snd_y][fst_x] = true;
			}else{
				block[snd_y][fst_x] = true;
			}
		}
		
		for(int i = 0; i < H; i++){
			for(int j = 0; j < W; j++){
				System.out.print(block[i][j] ? "*" : "-");
			}
			System.out.println();
		}
	}
}