n, k = map(int, input().split())
assert 1 <= n <= 300
assert 0 <= k <= 5
a = list(map(int, input().split()))
assert 1 <= min(a)
assert max(a) <= 10 ** 9
c = list(map(int, input().split()))
assert 1 <= min(c)
assert max(c) <= 50