#include "bits/stdc++.h"
using namespace std;

constexpr long long MOD = 998244353;

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