#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

constexpr int P = 998244353;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, q;
    cin >> n >> q;

    vector<int> r(n + 1);
    r[0] = 1;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;

        for (int j = i; j >= 0; j--) {
            r[j + 1] = (r[j + 1] + (ll)(a - 1) * r[j]) % P;
        }
    }

    for (int i = 0; i < q; i++) {
        int b;
        cin >> b;
        cout << r[n - b] << '\n';
    }

    return 0;
}