#include <iostream>
#include <string>
#include <math.h>
#include <vector>
using namespace std;
int main(){
    int n,k,b,bg = 0,ed;
    vector<int>A,B;
    cin>>n>>k;
    for ( int i  = 0 ; i < n+k ; i++){
        cin>>b;
        if (i<n)
            A.push_back(b);
        else
            B.push_back(b);
    }
    for ( int i  = 0 ; i < k ; i++){
        bg = 0;
        ed = n;
        while( ed - bg != 1 ){
            int f = (ed + bg) / 2;
            if(A[f] > B[i])
                ed = f;
            else
                bg = f;
        }
        if(A[bg] == B[i])
            cout<<"YES"<<endl;
        else
            cout<<"NO"<<endl;
    }
    cout<<endl;
    return 0;
}