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]
for i in range(H):
  for j in range(W-5):
    if S[i][j:j+6]=='yiwiy9':
      h[i][j+4]='Y'
    if S[i][j:j+6]=='9yiwiy':
      h[i][j+1]='Y'
  print(*h[i],sep='')