#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll, ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
const ll MOD = 1000000007;
const ll INF = 4611686018427387903;
#define REP(i, n) for (int i = 0; i < n; i++)
#define ALL(v) v.begin(), v.end()

int main(){
	int n, q; cin >> n >> q;
	VI a(n); REP(i,n) cin >> a[i];
	VVI dp(n+1,VI(n+1,0));
	dp[0][0]=1;
	REP(i,n){
		REP(j,i+1){
			dp[i+1][j+1]+=dp[i][j];
			dp[i+1][j]+=dp[i][j]*(a[i]-1);
			dp[i+1][j]%=MOD;
		}
	}
	VI b(q); REP(i,q) cin >> b[i];
	REP(i,q){
		cout << dp[n][b[i]] << endl;
	}
	return 0;
}