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

for i in range(H):
    s = list(input())
    pos = 0
    while pos < W:
        if s[pos] == '9':
            s[pos + 1] = 'Y'
            pos += 6
        
        elif s[pos] == 'y':
            s[pos + 4] = 'Y'
            pos += 6
        else:
            pos += 1

    print(''.join(s))