a,b='*-';f=1
H,W=input().split()
S=[input()for x in[0]*int(H)]
for i in S:
 if[i.count(a)>0,i.count(a)<1][sum(i.count(a)>1for i in S)]and f:
  print(i.replace(b,a,1));f=0
 else:print(i)