import java.util.*;
import java.lang.*;
import java.io.*;
//Node static head;
class Node{
  int data;
  Node next;
  Node(int val){
    data=val;
  }
}
class Linkedlist{
  Node head;
 void Insert(int data){
    Node newnode=new Node(data);
    if(head==null){
      head=newnode;
      return;
    }
    Node temp=head;
    while(temp.next!=null){
      temp=temp.next;
    }
    temp.next=newnode;
  }
  Node merge(Node head1,Node head2){
    Node list=new Node(-1);
    Node ans=list;
    Node temp1=head1;
    Node temp2=head2;
   while(temp1!=null && temp2!=null){
        if(temp1.data<temp2.data){
          list.next=new Node(temp1.data);
          temp1=temp1.next;
        }
        else{
          list.next=new Node(temp2.data);
          temp2=temp2.next;
        }
        list=list.next;
      }
    //list=list.next;
    if(temp1!=null) list.next=temp1;
      if(temp2!=null) list.next=temp2;

    return ans.next;
}
  void print(){
    //head=list;
    Node temp=head;
    while(temp!=null){
      System.out.print(temp.data+" ");
      temp=temp.next;
    }
    System.out.println();
  }
}
public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		//your code here
      Scanner sc=new Scanner(System.in);

       Linkedlist l=new Linkedlist();
      Linkedlist l1=new Linkedlist();
      Linkedlist l2=new Linkedlist();

      int list_size1=sc.nextInt();
      for(int i=0; i<list_size1; i++){
        l1.Insert(sc.nextInt());
      }

      int list_size2=sc.nextInt();
      for(int i=0; i<list_size2; i++){
        l2.Insert(sc.nextInt());
      }

      Node head1=l1.head;
      Node head2=l2.head;
      Node ans=l1.merge(head1,head2);
      while(ans!=null) {
        System.out.print(ans.data+" ");
        ans=ans.next;
      }
     // Node dummy=new Nodehead1;


	}
}