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

for i in range(H):
    for j in range(W - 5):
        match "".join(S[i][j : j + 6]):
            case "yiwiy9":
                S[i][j : j + 6] = "yiwiY9"
            case "9yiwiy":
                S[i][j : j + 6] = "9Yiwiy"
            case _:
                continue

for s in S:
    print(*s, sep="")