h, w = map(int, input().split())

ans = [['-'] * w for _ in range(h)]

stars = []

for i in range(h):
    si = input()
    for j, c in enumerate(si):
        if c == '*':
            ans[i][j] = '*'
            stars.append([i, j])

x = stars[0][1]
y = 0            
if stars[0][0] == stars[1][0]:
    y = stars[0][0] - 1 if stars[0][0] > 0 else 1
    for j in range(w):
        if ans[y][j] == '-':
            x = j
            break
elif stars[0][1] == stars[1][1]:
    x = stars[0][1] - 1 if stars[0][1] > 0 else 1
    for i in range(h):
        if ans[i][x] == '-':
            y = i
            break
else:
    for i in range(h):
        if ans[i][x] == '-':
            y = i
            break

ans[y][x] = '*'

for a in ans:
    print(*a, sep='')