h, w = map(int, input().split())
s = [
    input()
    .replace("9yiwiy", "X")
    .replace("yiwiy9", "Y")
    .replace("X", "9Yiwiy")
    .replace("Y", "yiwiY9")
    for _ in range(h)
]

for line in s:
    print(*line, sep="")