H,W = map(int,input().split())
S = [list(input()) for _ in range(H)]
x,y = 0,0

while x < H:
    if S[x][y] == "y":
        S[x][y+4] = "Y"
        y += 5
    elif S[x][y] == "9":
        S[x][y+1] = "Y"
        y += 5
    y += 1
    if y >= W:
        y = 0
        x += 1

for s in S:
    print("".join(s))