H,W = map(int, input().split())
S = [list(input()) for _ in range(H)]

s1 = [-1, -1]
s2 = [-1, -1]
for i in range(H):
    for j in range(W):
        if S[i][j] == "*" and s1[0] == -1:
            s1[0] = i
            s1[1] = j
        elif S[i][j] == "*":
            s2[0] = i
            s2[1] = j

if s1[0] == s2[0]:
    S[(s1[0]+1)%H][s1[1]] = "*"
elif s1[1] == s2[1]:
    S[s1[0]][(s1[1]+1)%W] = "*"
else:
    S[s1[0]][s2[1]] = "*"

for s in S:
    print("".join(s))