#include<bits/stdc++.h>
using namespace std;
int main(){
	//write your code here......
	vector<int> v;
	int m, n;
	cin >> n >> m;
	for(int i = 0; i < n; i++)
	{
		int num = 0;
		cin >> num;
		v.push_back(num);
	}
	while(m > 0)
	{
		int target = 0;
		cin >> target;
		auto it = std::find(v.begin(), v.end(), target);
		if(it != v.end())
		{
			cout << "yes" << endl;
		}
		else
		{
			cout << "no" << endl;
		}
		m--;
	}
	return 0;
}