h, w = map(int,input().split())
for _ in range(h):
    s = list(input())
    i = 0
    while i < len(s):
        if s[i] == "y":
            s[i + 4] = "Y"
            i += 6
        elif s[i] == "9":
            s[i + 1] = "Y"
            i += 6
        else:
            i += 1
    print(*s,sep="")