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

cw = [0] * w
for i in range(h):
    for j in range(w):
        if s[i][j] == "#":
            cw[j] += 1
s = [["."] * w for _ in range(h)]
for j, e in enumerate(cw):
    for i in range(e):
        s[i][j] = "#"


ch = [0] * h
for i in range(h):
    for j in range(w):
        if s[i][j] == "#":
            ch[i] += 1
s = [["."] * w for _ in range(h)]
for i, e in enumerate(ch):
    for j in range(e):
        s[i][j] = "#"

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