from itertools import combinations

N, Q = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))

for b in B:
    result = 0
    for c in combinations(A, N - b):
        t = 1
        for i in c:
            t *= i - 1
            t %= 998244353
        result += t
        result %= 998244353
    print(result)