def pprint(G):
    for g in G:
        print("".join(g))

from math import *

H, W = map(int, input().split())
G = []
for i in range(H):
    G.append(list(input()))

flag = 1
for i in range(H):
    for j in range(W):
        if G[i][j] == "*":
            if flag:
                x0, y0 = i, j
                flag = 0
            else:
                x1, y1 = i, j
                
for i in range(H):
    for j in range(W):
        if G[i][j] == "-":
            x, y = i, j
            dx0, dy0 = x - x0, y - y0
            dx1, dy1 = x - x1, y - y1
            if dx0 == 0 and dx1 == 0:
                continue
            if dy0 == 0 and dy1 == 0:
                continue
            if dx0 * dy0 * dx1 * dy1 == 0:
                G[i][j] = "*"
                pprint(G)
                exit()
            if dx0 < 0:
                dx0, dy0 = -dx0, -dy0
            if dx1 < 0:
                dx1, dy1 = -dx1, -dy1
            g0 = gcd(dx0, abs(dy0))
            g1 = gcd(dx1, abs(dy1))
            dx0 //= g0
            dy0 //= g0
            dx1 //= g1
            dy1 //= g1
            if (dx0, dy0) == (dx1, dy1):
                continue
            G[i][j] = "*"
            pprint(G)
            exit()