#include <bits/stdc++.h>
using namespace std;
const long long MOD = 998244353;
int main(){
  int N, Q;
  cin >> N >> Q;
  vector<int> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  vector<long long> dp(N + 1, 0);
  dp[0] = 1;
  for (int i = 0; i < N; i++){
    vector<long long> dp2(N + 1, 0);
    for (int j = 0; j <= i; j++){
      dp2[j] += dp[j] * (A[i] - 1);
      dp2[j] %= MOD;
      dp2[j + 1] += dp[j];
      dp2[j + 1] %= MOD;
    }
    swap(dp, dp2);
  }
  for (int i = 0; i < Q; i++){
    int B;
    cin >> B;
    cout << dp[B] << endl;
  }
}