#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
using ll = long long;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rep2(i,m,n) for (int i = (m); i < (n); ++i)
#define rep3(i,a,b) for (int i = (a); i >= (b); --i)
#define all(x) (x).begin(),(x).end()
inline int popcount(const int x) { return __builtin_popcount(x);}
inline ll popcount(const ll x) { return __builtin_popcountll(x);}
template<class T> void chmin(T &a, const T &b) noexcept { if (b < a) a = b;}
template<class T> void chmax(T &a, const T &b) noexcept { if (a < b) a = b;}
template<class T> void drop(const T &x) { std::cout<<x<<endl; exit(0);}
void debug_out() { std::cout << "\n";}
template<class T, class... Args> void debug_out(const T &x, const Args &... args) { std::cout<<x<< " "; debug_out(args...);}
#ifdef _DEBUG
  #define debug(...) debug_out(__VA_ARGS__)
#else
  #define debug(...) 
#endif

struct InitIO{
  InitIO() {
    std::cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    std::cout << std::fixed << std::setprecision(15);
  }
}init_io;

const int mod = 998244353;

int main() {
  int n, q;
  cin >> n >> q;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  vector<vector<ll> > dp(6001, vector<ll>(6001, 0));
  dp[0][0] = 1;
  // rep(i, n) {
  //   for (int j = 1; j <= i+1; ++j) {
  //     rep(k, i+1) dp[i+1][j] += dp[k][j-1] * mint(a[i] - 1);
  //   }
  // }
  for (int j = 1; j <= n; ++j) {
    ll sum = 0;
    for (int i = j-1; i < n; ++i) {
      // for (int k = 0; k <= i; ++k) {
      //   dp[i+1][j] += dp[k][j-1] * mint(a[i] - 1);
      // }
      sum += dp[i][j-1];
      sum %= mod;
      dp[i+1][j] = sum * ll(a[i] - 1) % mod;
      dp[i+1][j] %= mod;
    }
  }
  while(q--) {
    int b;
    cin >> b;
    ll ans = 0;
    rep(i, n+1) ans += dp[i][n-b] % mod;
    ans %= mod;
    cout << ans << "\n";
  }
  return 0;
}