import java.io.*; import java.util.*; import java.util.stream.*; 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(); long[] current = new long[n + 1]; current[0] = 1; long[] next = new long[n + 1]; for (int i = 1; i <= n; i++) { int x = sc.nextInt(); for (int j = 1; j <= i; j++) { next[j] = current[j - 1]; } for (int j = 0; j < i; j++) { next[j] += current[j] * (x - 1) % MOD; next[j] %= MOD; } long[] tmp = current; current = next; next = tmp; Arrays.fill(next, 0); } StringBuilder sb = new StringBuilder(); while (q-- > 0) { sb.append(current[sc.nextInt()]).append("\n"); } System.out.print(sb); } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); 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 int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }