def solve(l, r):
return '\n'.join([' '.join(list(str(x))) for x in range(l, r+1)])
l=int(input())
r=int(input())
print(solve(l, r))
ZGVmIHNvbHZlKGwsIHIpOgogIHJldHVybiAnXG4nLmpvaW4oWycgJy5qb2luKGxpc3Qoc3RyKHgpKSkgZm9yIHggaW4gcmFuZ2UobCwgcisxKV0pCgpsPWludChpbnB1dCgpKQpyPWludChpbnB1dCgpKQpwcmludChzb2x2ZShsLCByKSk=