from itertools import combinations

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

u = 1
for a in A:
    u *= a - 1
    u %= 998244353

for b in B:
    if b > N / 2:
        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)
    else:
        result = 0
        for c in combinations(A, b):
            t = 1
            for i in c:
                t *= i - 1
                t %= 998244353
            result += u * pow(t, 998244353 - 2, 998244353)
            result %= 998244353
        print(result)