#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <iostream>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <random>
#include <set>
#include <queue>
#define REP(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
constexpr ll INF = 1LL << 60;
constexpr ll MOD = 998244353;

int n, q, x, y;
ll a[6060];
ll dp[6060][6060];

int main()
{
  cin >> n >> q;
  REP(i, n)
  cin >> a[i];

  dp[0][0] = 1;
  REP(i, n)
  REP(j, n)
  {
    dp[i + 1][j + 1] += dp[i][j];
    dp[i + 1][j + 1] %= MOD;
    dp[i + 1][j] += dp[i][j] * (a[i] - 1);
    dp[i + 1][j] %= MOD;
  }
  REP(i, q)
  {
    int b;
    cin >> b;
    cout << dp[n][b] << '\n';
  }
  return 0;
}