#include<iostream>
using namespace std;
int a[1000005],n,m,b;
bool bs(int x)
{
    int l = 1,r = n;
    while(l <= r)
    {
        int mid =(l + r) >> 1;
        if(a[mid] == x) return 1;
        else if(a[mid] > x)r = mid - 1;
        else l = mid + 1;
    }
    return 0;
}
int main()
{
	cin >> n;
	for(int i = 1; i <= n; i++) cin >> a[i];
	cin >> m;
	while(m--)
	{
		cin >> b;
		if(bs(b)) cout << "YES" << endl;
		else cout << "NO" <<endl;
	}
	return 0;
}