import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	int h = sc.nextInt();
    	int w = sc.nextInt();
    	char[][] field = new char[h][];
    	int idx = 0;
    	int[] arr = new int[2];
    	for (int i = 0; i < h; i++) {
    	    field[i] = sc.next().toCharArray();
    	    for (int j = 0; j < w; j++) {
    	        if (field[i][j] == '*')  {
    	            arr[idx] = i * w + j;
    	            idx++;
    	        }
    	    }
    	}
    	if (arr[0] % w == arr[1] % w) {
    	    if (arr[0] % w == 0) {
    	        field[(arr[0] + 1) / w][(arr[0] + 1) % w] = '*';
    	    } else {
    	        field[(arr[0] - 1) / w][(arr[0] - 1) % w] = '*';
    	    }
    	} else {
    	    if (arr[0] / w == 0) {
    	        field[(arr[0] + w) / w][(arr[0] + w) % w] = '*';
    	    } else {
    	        field[(arr[0] - w) / w][(arr[0] - w) % w] = '*';
    	    }
    	}
    	StringBuilder sb = new StringBuilder();
    	for (char[] tmp : field) {
    	    sb.append(new String(tmp)).append("\n");
    	}
    	System.out.print(sb);
	}
}