import java.io.*; import java.util.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int q = sc.nextInt(); int[] current = new int[1]; current[0] = 1; for (int i = 0; i < n; i++) { int x = sc.nextInt(); int[] next = new int[i + 2]; for (int j = 0; j <= i; j++) { next[j] += (int)(current[j] * (long)(x - 1) % MOD); next[j] %= MOD; next[j + 1] += current[j]; next[j + 1] %= MOD; } current = next; } StringBuilder sb = new StringBuilder(); for (int i = 0; i < q; i++) { sb.append(current[sc.nextInt()]).append("\n"); } System.out.print(sb); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String nextLine() throws Exception { return br.readLine(); } public String next() throws Exception { if (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }