h, w = map(int, input().split())
s = [input() for _ in range(h)]

for i in range(h):
    if s[i].count('*') == 1:
        s[i] = s[i].replace('-', '*', 1)
        break
    elif s[i].count('*') == 2:
        s[i-1] = s[i-1].replace('-', '*', 1)
        break

for i in s:
    print(i)