H,W=map(int,input().split())
S=[input() for i in range(H)]
h=[[0]*W for i in range(H)]
for i in range(H):
  for j in range(W):
    h[i][j]=S[i][j]
used=[[False]*W for i in range(H)]
for i in range(H):
  for j in range(W-5):
    c=0
    for k in range(6):
      if used[i][j+k]==True:
        c+=1
    if c>0:
      continue
    if S[i][j:j+6]=='yiwiy9':
      h[i][j+4]='Y'
      for k in range(6):
        used[i][j+k]=True
    if S[i][j:j+6]=='9yiwiy':
      h[i][j+1]='Y'
      for k in range(6):
        used[i][j+k]=True
  print(*h[i],sep='')