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

for i in range(H):
    idx = 0
    while idx < W-5:
        if S[i][idx:idx+6] == list("yiwiy9"):
            S[i][idx+4] = "Y"
            idx += 6
        elif S[i][idx:idx+6] == list("9yiwiy"):
            S[i][idx+1] = "Y"
            idx += 6
        else:
            idx += 1

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