public class Main {

    private static void solve() {
      int n = ni();
      int q = ni();
      int[] a = na(n);
      int[] b = na(q);
      int mod = 998244353;

      long[][] dp = new long[n + 1][n + 2];
      dp[0][0] = 1;

      for (int i = 0; i < n; i ++) {
        for (int j = 0; j <= n; j ++) {
          dp[i + 1][j] += dp[i][j] * (a[i]-1) % mod;
          if (j > 0)
            dp[i + 1][j] += dp[i][j - 1];

          dp[i + 1][j] %= mod;
        }
      }
  
      for (int v : b) {
        out.println(dp[n][v]);
      }
    }
  
    public static void main(String[] args) {
      new Thread(null, new Runnable() {
        @Override
        public void run() {
          long start = System.currentTimeMillis();
          String debug = args.length > 0 ? args[0] : null;
          if (debug != null) {
            try {
              is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));
            } catch (Exception e) {
              throw new RuntimeException(e);
            }
          }
          reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);
          solve();
          out.flush();
          tr((System.currentTimeMillis() - start) + "ms");
        }
      }, "", 64000000).start();
    }
  
    private static java.io.InputStream is = System.in;
    private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);
    private static java.util.StringTokenizer tokenizer = null;
    private static java.io.BufferedReader reader;
  
    public static String next() {
      while (tokenizer == null || !tokenizer.hasMoreTokens()) {
        try {
          tokenizer = new java.util.StringTokenizer(reader.readLine());
        } catch (Exception e) {
          throw new RuntimeException(e);
        }
      }
      return tokenizer.nextToken();
    }
  
    private static double nd() {
      return Double.parseDouble(next());
    }
  
    private static long nl() {
      return Long.parseLong(next());
    }
  
    private static int[] na(int n) {
      int[] a = new int[n];
      for (int i = 0; i < n; i++)
        a[i] = ni();
      return a;
    }
  
    private static char[] ns() {
      return next().toCharArray();
    }
  
    private static long[] nal(int n) {
      long[] a = new long[n];
      for (int i = 0; i < n; i++)
        a[i] = nl();
      return a;
    }
  
    private static int[][] ntable(int n, int m) {
      int[][] table = new int[n][m];
      for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
          table[i][j] = ni();
        }
      }
      return table;
    }
  
    private static int[][] nlist(int n, int m) {
      int[][] table = new int[m][n];
      for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
          table[j][i] = ni();
        }
      }
      return table;
    }
  
    private static int ni() {
      return Integer.parseInt(next());
    }
  
    private static void tr(Object... o) {
      if (is != System.in)
        System.out.println(java.util.Arrays.deepToString(o));
    }
  }