#yuki_455

h,w=map(int,raw_input().split())
a=[]
for i in range(h):
 a.append(raw_input())
for i in range(h):
 if a[i].count('*')==1:
  a[i]=a[i].replace('-','*',1)
  break
 if a[i].count('*')==2:
  a[(i+1)%h]=a[(i+1)%h].replace('-','*',1)
  break
for i in xrange(h):
 print a[i]