using System;

public class Program

{

    public static void Main()

    {

        int n, a, b, index1, index2;

        n=int.Parse(Console.ReadLine());

        int[] niz= new int [n];

        for (int i=0; i<n; i++)

            niz[i]=int.Parse(Console.ReadLine());

        a=int.Parse(Console.ReadLine());

        b=int.Parse(Console.ReadLine());

        Array.Sort(niz);

        index1=Array.BinarySearch<int>(niz,a);

        Array.Reverse(niz);

        index2=Array.BinarySearch<int>(niz,b);

        Array.Reverse(niz);

        for (int i=0; i<index1; i++)

                Console.Write(niz[i]+" ");

        Console.WriteLine();

        for (int i=index1; i<=n-index2; i++)

                Console.Write(niz[i]+" ");

        Console.WriteLine();

        for (int i=n-index2+1; i<n; i++)

                Console.Write(niz[i]+" ");

    }

}