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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Iterator;
import java.util.NoSuchElementException;


public class SLLJoinLists {

    public class Node<E>
    {
        private E element;
        private Node<E> succ;

        public Node (E element,Node<E> succ)
        {
            this.element=element;
            this.succ=succ;
        }



    }

    public class Iter<E> implements Iterator<E>
            {
        Node<E> atm,sledno;

        Iter(Node<E> sledno)
                {
                        this.sledno = sledno;
                        atm = sledno;
                }

        public boolean hasNext()
        {
            if(sledno==null)
                return false;
            else
                return true;
        }

        @Override
        public void remove()
        {

        }

        public E next()
        {
            if (atm == null)
                System.out.println("Atm e null");
            E nov=atm.element;
            if(hasNext()==true)
            {
                nov=sledno.element;
                atm=sledno;
                sledno=sledno.succ;

            }

           return nov;

        }
    }

    public class Lista<E>
    {
        Node<E> prv,posleden;

        Lista()
        {
            prv=null;
            posleden=null;
        }

        Iter<E> iterator()
        {
            return new Iter<E>(prv);
        }

        public void insertLast(E element)
        {
            if(prv==null)
            {
                Node<E> novo=new Node<E>(element, prv);
                prv=novo;
                posleden=novo;
            }
            else
            {
                Node<E>novo=new Node<E>(element,null);
                posleden.succ = novo;
                posleden=novo;
            }
        }
    }

    public <E extends Comparable <E>> Lista<E> merge (Lista<E> prva, Lista<E> vtora)
    {
        Lista <E> spoena=new Lista<E>();
        Node<E> jazol1=prva.prv,jazol2=vtora.prv;
        while(jazol1!=null&&jazol2!=null)
        {
            if((Integer)jazol1.element<(Integer)jazol2.element)
            {
                spoena.insertLast(jazol1.element);
                jazol1=jazol1.succ;
            }
            else if ((Integer)jazol1.element>(Integer)jazol2.element)
            {

                spoena.insertLast(jazol2.element);
                jazol2=jazol2.succ;
            }
            else
            {
                spoena.insertLast(jazol1.element);
                jazol1 = jazol1.succ;
                jazol2 = jazol2.succ;
            }
        }

        while(jazol1!=null)
        {
            spoena.insertLast(jazol1.element);
            jazol1=jazol1.succ;
        }

        while(jazol2!=null)
        {
            spoena.insertLast(jazol2.element);
            jazol2=jazol2.succ;
        }

        return spoena;
    }



    public static void main(String[] args) throws IOException {

        BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
        String s = stdin.readLine();
        int N = Integer.parseInt(s);
        s = stdin.readLine();
        String[] pomniza = s.split(" ");
                SLLJoinLists join=new SLLJoinLists();
                Lista<Integer> lista1 = join.new Lista<Integer>();
                Lista<Integer> lista2 = join.new Lista<Integer>();
        for (int i = 0; i < N; i++) {
            lista1.insertLast(Integer.parseInt(pomniza[i]));
        }

        s = stdin.readLine();
        N = Integer.parseInt(s);
        s = stdin.readLine();
        pomniza = s.split(" ");
        for (int i = 0; i < N; i++) {
            lista2.insertLast(Integer.parseInt(pomniza[i]));
        }

        Lista<Integer> spoeni = join.merge(lista1,lista2);
        Iterator<Integer> it = spoeni.iterator();
        while (it.hasNext()) {
            System.out.print(it.next());
            if(it.hasNext())
                System.out.print(" ");
        }
        System.out.println();
    }
}