#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<vector<long long>> dp(N + 1, vector<long long>(N + 1, 0));
  dp[0][0] = 1;
  for (int i = 0; i < N; i++){
    for (int j = 0; j <= i; j++){
      dp[i + 1][j] += dp[i][j] * (A[i] - 1);
      dp[i + 1][j] %= MOD;
      dp[i + 1][j + 1] += dp[i][j];
      dp[i + 1][j + 1] %= MOD;
    }
  }
  for (int i = 0; i < Q; i++){
    int B;
    cin >> B;
    cout << dp[N][B] << endl;
  }
}