H, W = map(int, input().split())

for _ in range(H):
	S = input()
	*T, = S
	
	j = 0
	while j + 6 <= W:
		if S[j:j+6] == "yiwiy9":
			T[j+4] = "Y"
			j += 6
		elif S[j:j+6] == "9yiwiy":
			T[j+1] = "Y"
			j += 6
		else:
		    j += 1
	print(*T, sep="")