#include <iostream>
using namespace std;
int main() {
	int n,k,s=0;
	long long b[100002],a[100002];
	cin>>n>>k;
	for(int i=0; i<n; i++) {
		cin>>a[i];
	}
	for (int j=0; j<k; j++) {
		cin>>b[j];
	}
	int l;
	int r;
	int m;
	for (int i=0; i<k; i++) {
		l=0;
		r=n-1;
	while (l<r) {
		m=(l+r)/2;
		if (b[i]>a[m]) {
			l=m+1;
		}
		else if (b[i]<a[m]) {
			r=m;        
		}
		if (b[i]==a[m]) {
			cout<<"YES"<<endl;
			s++;
			l=r;
		}
	}
	if (a[0]==b[i] && n==1) {
		cout<<"YES"<<endl;
	}
	else if (s==0) {
		cout<<"NO"<<endl;
	}
	s=0;
	}
	return 0;
}
 
 
 
 

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MTAgNQoxIDIgMyA0IDUgNiA3IDggOSAxMCAKLTIgMCAxIDkgMTI=

10 5
1 2 3 4 5 6 7 8 9 10 
-2 0 1 9 12