h,w = list(map(int, input().split(' ')))
for _ in range(h):
    s = input()
    s = s.replace('yiwiy9','A')
    s = s.replace('9yiwiy','B')
    # print(f'{s=}')
    s = s.replace('A','yiwiY9')
    s = s.replace('B','9Yiwiy')
    # print(f'{s=}')
    print(s)