#55407: c++ org BS
#include <bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,q;
cin>>n>>q;
vector <int> v(n);
for(int i=0;i<n;i++)cin>>v[i];
while(q--){
int t;
cin>>t;
bool tmp=false;
int low=0,high=n-1;
while(low<=high){
int mid=low+(high-low)/2;
if(t==v[mid]){
cout<<"Yes\n";tmp=true;break;
}
else if(t<v[mid])high=mid-1;
else if(t>v[mid])low=mid+1;
}
if(!tmp)cout<<"No\n";
}
return 0;
}