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

S = []
for i in range(H):
    S.append(list(input()))
    T1, T2 = "yiwiy9", "9yiwiy"
    j = 0
    while j < W - 5:
        s = "".join(S[i][j : j + 6])
        if s == T1:
            S[i][j + 4] = "Y"
            j += 6
        elif s == T2:
            S[i][j + 1] = "Y"
            j += 6
        else:
            j += 1

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