#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);++i)
#define rrep(i,n) for(int i=1;i<(n);++i)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define maxs(a, b) a = max(a, b)
#define mins(a, b) a = min(a, b)
using namespace std;
typedef long long ll;
typedef pair<double, int> P;
const ll linf = (1ll << 61);
const int inf = 1001001001;
const int mod = 998244353;

struct mint {
	ll x;
	mint(ll x = 0) :x(x% mod) {}
	mint& operator+=(const mint a) {
		if ((x += a.x) >= mod) x -= mod;
		return *this;
	}
	mint& operator-=(const mint a) {
		if ((x += mod - a.x) >= mod) x -= mod;
		return *this;
	}
	mint& operator*=(const mint a) {
		(x *= a.x) %= mod;
		return *this;
	}
	mint operator+(const mint a) const {
		mint res(*this);
		return res += a;
	}
	mint operator-(const mint a) const {
		mint res(*this);
		return res -= a;
	}
	mint operator*(const mint a) const {
		mint res(*this);
		return res *= a;
	}
	mint pow(ll t) const {
		if (!t) return 1;
		mint a = pow(t >> 1);
		a *= a;
		if (t & 1) a *= *this;
		return a;
	}

	// for prime mod
	mint inv() const {
		return pow(mod - 2);
	}
	mint& operator/=(const mint a) {
		return (*this) *= a.inv();
	}
	mint operator/(const mint a) const {
		mint res(*this);
		return res /= a;
	}
};

mint dp[6005][6005];

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	vector<int> a(n);
	rep(i, n) cin >> a[i];
	dp[0][0] = a[0] - 1;
	dp[0][1] = 1;
	rrep(i, n) {
		rep(j, n + 1) {
			if (j == 0 && i > 0) dp[i][j] = dp[i - 1][j] * (a[i] - 1);
			else dp[i][j] = dp[i - 1][j] * (a[i] - 1) + dp[i - 1][j - 1];
		}
	}
	while (q--) {
		int b;
		cin >> b;
		cout << dp[n - 1][b].x << endl;
	}
 	return 0;
}