H,W = map(int, input().split()) S = [list(input()) for i in range(H)] for i in range(H): j = 0 while j < W: if "".join(S[i][j:j+6]) == "yiwiy9": S[i][j:j+6] = list("yiwiY9") j += 6 elif "".join(S[i][j:j+6]) == "9yiwiy": S[i][j:j+6] = list("9Yiwiy") j += 6 else: j += 1 for i in S: print("".join(i))