n, m = map(int, input().split())
s = [list(input()) for _ in range(n)]


for i in range(m):
	counter = 0
	for j in range(n):
		if s[j][i] == "#":
			counter += 1
	
	for j in range(n):
		if j < counter:
			s[j][i] = "#"
		else:
			s[j][i] = "."
	
for i in range(n):
	counter = 0
	for j in range(m):
		if s[i][j] == "#":
			counter += 1
		
	for j in range(m):
		if j < counter:
			s[i][j] = "#"
		else:
			s[i][j] = "."
			
for i in range(n):
	print("".join(s[i]))