#include<bits/stdc++.h>
#define int long long 
using namespace std;
int n,a[1000005],m,x;
void ss(){
    int l=1,r=n;
    while(l<=r){
        int mid=(l+r)/2;
        if(x<a[mid])r=mid-1;
        if(x>a[mid])l=mid+1;
        if(x==a[mid]){cout<<"YES"<<endl;return;}
    }
    cout<<"NO"<<endl;
    return;
}
signed main(){
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    cin>>m;
    sort(a+1,a+1+n);
    for(int i=1;i<=m;i++){cin>>x;ss();}
}