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

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

def f(S):
    i = 0
    while i < W-5:
        if S[i:i+6] == list("yiwiy9"):
            S[i+4] = 'Y'
            i += 6
        elif S[i:i+6] == list("9yiwiy"):
            S[i+1] = 'Y'
            i += 6
        else:
            i += 1
    return ''.join(S)

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