#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
long long dp[6060][6060] = {};
int main() {
	int n, q;
	cin >> n >> q;
	dp[0][0] = 1;
	for (int i = 1; i <= n; i++) {
		long long a;
		cin >> a;
		for (int j = 0; j <= n; j++) {
			dp[i][j] += dp[i - 1][j] * (a - 1);
			dp[i][j] %= 998244353;
			if (j != 0) {
				dp[i][j] += dp[i - 1][j - 1];
				dp[i][j] %= 998244353;
			}
		}
	}
	for (int i = 0; i < q; i++) {
		int b;
		cin >> b;
		cout << dp[n][b] << endl;
	}
}