h, w = map(int, input().split())
s = [
    input()
    .replace("9yiwiy9yiwiy", "9Yiwiy9Yiwiy")
    .replace("yiwiy9", "yiwiY9")
    .replace("9yiwiy", "9Yiwiy")
    for _ in range(h)
]

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