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[] arr = new int[n + 1];
		for (int i = 1; i <= n; i++) {
		    arr[i] = sc.nextInt();
		}
		long[] dp = new long[n + 1];
		dp[0] = 1;
		for (int i = 1; i <= n; i++) {
		    for (int j = i;  j >= 1; j--) {
		        dp[j] = dp[j] * (arr[i] - 1) + dp[j - 1];
		        dp[j] %= MOD;
		    }
		    dp[0] = dp[0] * (arr[i] - 1);
		    dp[0] %= MOD;
		}
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < q; i++) {
		    sb.append(dp[sc.nextInt()]).append("\n");
		}
		System.out.print(sb);
	}
}