def sky_print(sky: list[list[str]]):
    for row in sky:
        print("".join(row))


def main():
    H, W = map(int, input().split())
    sky = [list(input()) for _ in range(H)]

    stars_coord = []
    for y in range(H):
        for x in range(W):
            if sky[y][x] == "*":
                stars_coord.append((y, x))

    if stars_coord[0][0] == stars_coord[1][0]:
        new_star_h = (stars_coord[0][0]+1) % H
        sky[new_star_h][0] = "*"
        sky_print(sky)
        return

    if stars_coord[0][1] == stars_coord[1][1]:
        new_star_w = (stars_coord[0][1]+1) % W
        sky[0][new_star_w] = "*"
        sky_print(sky)
        return

    sky[stars_coord[0][0]][stars_coord[1][1]] = "*"
    sky_print(sky)


if __name__ == "__main__":
    main()