def ip():return int(input())
def mp():return map(int, input().split())
def lmp():return list(map(int, input().split()))
# 岩プロコン2 C No.3261 yiwiy9 → yiwiY9
H, W = mp()
S = [list(input()) for _ in range(H)]
for i in range(H):
  j = 0
  while j < W-5:
  # for j in range(W-5):
    if S[i][j] == '.':
      j += 1
      continue
    if S[i][j:j+6] == list('yiwiy9'):
      S[i][j+4] = 'Y'
    else:
      S[i][j+1] = 'Y'
    j += 6
  print(''.join(S[i]))