N, Q = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
mod = 9998244363

pre = [0] * (N + 5)
pre[0] = 1
for i in range(N):
    dp = [0] * (N + 5)
    for j in range(N):
        dp[j + 1] += pre[j]
        dp[j] += pre[j] * (A[i] - 1)
        dp[j] %= mod
        dp[j + 1] %= mod
    dp, pre = pre, dp

for b in B:
    print(pre[b])