H, W = map(int, input().split())
ans_l =[]
count = -1
flg = 0

for i in range(H):
    S = input()
    l = list(S)
    starcount = l.count("*")
    if starcount == 0:
        ans_l.append(S)
    elif starcount == 1:
        if l[0] == "*":
            S = S[0] + "*" + S[2:]
            ans_l.append(S)
            count = i
            break
        else:
            ans_l.append("*" + S[1:])
            count = i
            break
    else:
        if i > 0:
            ans_l[-1] = "*" + ans_l[-1][1:]
        else:
            flg = 1

if count != -1:
    for i in range(H - count - 1):
        S = input()
        ans_l.append(S)

if flg == 1:
    ans_l[-1] = "*" + ans_l[-1][1:]

for li in ans_l:
    print(li)