H,W=map(int,input().split())
S=[list(input()) for i in range(H)]

i=0
j=0
while i<H:
    j=0
    while j<W-5:
        if S[i][j:j+6]==list("yiwiy9"):
            S[i][j+4]="Y"
            j+=5
        elif S[i][j:j+6]==list("9yiwiy"):
            S[i][j+1]="Y"
            j+=5
        j+=1
    i+=1
for i in range(H):
    print("".join(S[i]))