import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt(), W = sc.nextInt(), h[] = new int[2], w[] = new int[2], k = 0;
        char S[][] = new char[H][W + 1];
        for (int i = 0; i < H; ++i) {
            S[i] = sc.next().toCharArray();
            for (int j = 0; j < W && k != 2; ++j) {
                if (S[i][j] == '*') {
                    h[k] = i;
                    w[k] = j;
                    ++k;
                }
            }
        }
        sc.close();
        if (h[0] == h[1]) {
            if (h[0] == 0) S[1][0] = '*';
            else S[0][0] = '*';
        }
        else {
            if (w[0] == 0) S[h[0]][1] = '*';
            else S[h[0]][w[0] - 1] = '*';
        }
        for (int i = 0; i < H; ++i) System.out.println(S[i]);
    }
}