import sys
def input(): return sys.stdin.readline().rstrip()

H, W = map(int, input().split())

def f(S):
    for i in range(W-5):
        if S[i:i+6] == list("9yiwiy"):
            S[i+1] = 'Y'
        elif S[i:i+6] == list("yiwiy9"):
            S[i+4] = 'Y'
    return ''.join(S)

for _ in range(H):
    print(f(list(input())))