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

for i in range(H):
    for j in range(W-5):
        #print(S[i][j:j+6])
        if "".join(S[i][j:j+6]) == "yiwiy9":
            S[i][j:j+6] = list("yiwiY9")
        if "".join(S[i][j:j+6]) == "9yiwiy":
            S[i][j:j+6] = list("9Yiwiy")

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