import sys
sys.setrecursionlimit(10**7)
def ii(): return int(input())
def ist(): return input().split()
def mi(d=0): return map(lambda x:int(x)-d,input().split())
def lmi(d=0): return list(map(lambda x:int(x)-d,input().split()))
INF = float("inf")
def answer(s):
  print(s)
  exit()
################################################
yiwiy = list("yiwiy")
h,w = mi()
s = [list(input()) for _ in range(h)]
for i in range(h):
  for j in range(w):
    if s[i][j] == "9":
      if j-5 >= 0 and s[i][j-5:j] == yiwiy:
        s[i][j-1] = "Y"
      elif j+5 <= w and s[i][j+1:j+6] == yiwiy:
        s[i][j+1] = "Y"
for ss in s:
  print("".join(ss))