h, w = map(int, input().split())
S = [list(input()) for _ in range(h)]
lst = []
for i in range(h):
    for j in range(w):
        if S[i][j] == "*":
            lst.append((i, j))
            
a = lst[0]
b = lst[1]
if a[0] == b[0]:
    i = (a[0] + 1) % h
    j = a[1]
elif a[1] == b[1]:
    i = a[0]
    j = (a[1] + 1) % w
else:
    i = a[0]
    j = b[1]
S[i][j] = "*"

for row in S:
    print(*row, sep="")