mod = 998244353
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

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

    dp = [[0] * (N+1) for _ in range(2)]
    dp[0][0] = 1
    for i in range(N):
        a = A[i]
        for j in range(N+1):
            dp[(i+1)%2][j] = 0
        for j in range(N+1):
            if dp[i%2][j] == 0:
                continue
            dp[(i+1)%2][j] = (dp[(i+1)%2][j] + dp[i%2][j] * (a - 1))%mod
            if j+1 <= N:
                dp[(i+1)%2][j+1] = (dp[(i+1)%2][j+1] + dp[i%2][j])%mod
    for b in B:
        print(dp[N%2][b])


if __name__ == '__main__':
    main()