#include<iostream>
#include<unordered_set>

using namespace std;
int main() {
	unordered_set<int>a;
	int m;
	cin >> m;
	while (m--) {
		int qq;
		cin >> qq;
		a.insert(qq);
	}
	int n;
	cin >> n;
	while (n--) {
		int num;
		cin >> num;
		if (a.count(num)) {
			cout << "YES" << '\n';
		}
		else {
			cout << "NO" << '\n';
		}
	}
	return 0;
}