H, W = map(int, input().split())
for _ in range(H):
    S = list(input())

    j = 0
    while j + 6 <= W:
        # print(j, S[j : j + 6])
        if S[j : j + 6] == ["y", "i", "w", "i", "y", "9"]:
            S[j + 4] = "Y"
            j += 6
        elif S[j : j + 6] == ["9", "y", "i", "w", "i", "y"]:
            S[j + 1] = "Y"
            j += 6
        else:
            j += 1

    print("".join(S))