H, W = map(int, input().split())
for _ in range(H):
    S = list(input())
    i = 0
    while i < W - 5:
        if all(S[i + k] == "yiwiy9"[k] for k in range(6)):
            S[i + 4] = 'Y'
            i += 6
        elif all(S[i + k] == "9yiwiy"[k] for k in range(6)):
            S[i + 1] = 'Y'
            i += 6
        else:
            i += 1
    print(*S, sep='')