#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

const int MOD=1000000007;
const int INF=0x3f3f3f3f;
const ll INFL=0x3f3f3f3f3f3f3f3f;

ll dp[7000][7000];
int a[7000];

int main(){
	int n,q;cin>>n>>q;
	rep(i,n)scanf("%d",&a[i]);
	dp[0][0]=1;
	rep(i,n)rep(j,n){
		if(dp[i][j]==0)continue;
		(dp[i+1][j+1]+=dp[i][j])%=MOD;
		(dp[i+1][j]+=dp[i][j]*(a[i]-1))%=MOD;
	}
	rep(i,q){
		int b;scanf("%d",&b);
		printf("%lld\n",dp[n][b]);
	}
}