import random

m = 10 ** (-10)


def eq(a, b):
    return a - m <= b <= a + m


def p(stars, b):
    x1 = stars[0][0] - b[0]
    x2 = stars[1][0] - b[0]
    y1 = stars[0][1] - b[1]
    y2 = stars[1][1] - b[1]
    if (x1 == 0 and x2 == 0) or (y1 == 0 and y2 == 0):
        return True

    if x2 == 0:
        x1, x2 = x2, x1
        y1, y2 = y2, y1
    if y2 == 0:
        return False
    return eq(x1 / x2, y1 / y2)


def run():
    H, W = list(map(int, input().split()))
    stars = []
    for i in range(H):
        s = input()
        if len(stars) < 2:
            k = 0
            for j in range(2):
                f = s.find('*', k)
                if f >= 0:
                    stars.append((i, f))
                    k = f + 1
                else:
                    break

    while 1:
        star3 = (random.randint(0, H - 1), random.randint(0, W - 1))
        if star3 not in stars and not p(stars, star3):
            stars.append(star3)
            break

    for i in range(H):
        row = '-' * W
        for a in [s for s in stars if s[0] == i]:
            row = row[:a[1]] + '*' + (row[a[1] + 1:] if a[1] < W - 1 else '')

        print(row)

run()
# print(p(((0, 1), (1, 4)), (3, 10)))