import java.util.*;

public class Main {
    static final int MOD = 998244353;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int q = sc.nextInt();
        int[] dp = new int[n + 1];
        dp[0] = 1;
        for (int i = 1; i <= n; i++) {
            long x = sc.nextInt();
            for (int j = i - 1; j >= 0; j--) {
                dp[j + 1] += dp[j];
                dp[j + 1] %= MOD;
                dp[j] = (int)(dp[j] * (x - 1) % MOD);
                dp[j] %= MOD;
            }
        }
        for (int i = 0; i < q; i++) {
            System.out.println(dp[sc.nextInt()]);
        }
    }
}