H, W = (int(x) for x in input().split())
for _ in range(H):
    S = input()
    i = 0
    while i < W:
        if S[i] == '.':
            print('.', end="")
            i += 1
        elif S[i] == '9':
            print("9Yiwiy", end="")
            i += 6
        else:
            print("yiwiY9", end="")
            i += 6
    print()