R=range
I=input
H,W=map(int,I().split())
for i in R(H):
	a,t,s="",0,I()+' ';
	for j in R(W):
		if t<1:
			if s[j]!='.':t=(s[j]!='9')+1
		elif s[j]=='.':t=0
		a+='Y'if'y'==s[j]and'9'in[s[j-1]if t<2 else "",s[j+1]if t>1 else""]else s[j]
	print(a)