MOD = 998244353
n,q = map(int,input().split())
*a, = map(int,input().split())
dp = [0]*(n+1)
dp[0] = 1
for i,ai in enumerate(a):
    for j in range(1,i+2)[::-1]:
        dp[j] = (dp[j]*(ai-1) + dp[j-1])%MOD
    dp[0] = dp[0]*(ai-1)%MOD
*b, = map(int,input().split())
for i in b:
    print(dp[i])