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

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

for i in range(H):
    print("".join(S[i]))