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

import re
for i in range(H):
    S[i]=re.sub(r'(yiwiy9)(?!Y)',r'yiwiY9',S[i])
    S[i]=re.sub(r'(9yiwiy)(?!Y)',r'9Yiwiy',S[i])
    print(S[i])