using System;

using System.Linq;

public class Program

{

        static void Main(string[] args)

        {

            int startHome, endHome, locATree, locOTree, sizeA, sizeO;

​

            GetValues(out startHome, out endHome);

            GetValues(out locATree, out locOTree);

            GetValues(out sizeA, out sizeO);

​

            int[] apples = Array.ConvertAll(Console.ReadLine().Split(" "), s => int.Parse(s));

            int[] oranges = Array.ConvertAll(Console.ReadLine().Split(" "), s => int.Parse(s));

​

            if (CheckFirstConstraints(startHome, endHome, locATree, locOTree, sizeA, sizeO))

                return;

​

            if (CheckSecondConstraints(apples.Concat(oranges).ToArray()))

                return;

​

            Calculate(startHome, endHome, locATree, apples);

​

            Calculate(startHome, endHome, locOTree, oranges);

        }

​

        private static void Calculate(int startHome, int endHome, int locATree, int[] apples)

        {

            int appleCount = 0;

            for (int i = 0; i < apples.Length; i++)

            {

                int result = locATree + apples[i];

​

                if (result >= startHome && result <= endHome)

                {

                    appleCount++;

                }

            }

            Console.WriteLine(appleCount);

        }

​

        private static void GetValues(out int first, out int second)

        {

            string[] value = Console.ReadLine().Split(" ");

            first = int.Parse(value[0]);

            second = int.Parse(value[1]);

        }

​

        private static bool CheckFirstConstraints(params int[] values)

        {

            foreach (var item in values)

            {

                if (item < 1 && item > Math.Pow(10, 5))

                    return true;

            }

            return false;

        }

​

        private static bool CheckSecondConstraints(params int[] values)

        {

            foreach (var item in values)

            {

                if (item < Math.Pow(-10, 5) && item > Math.Pow(10, 5))

                    return false;

            }

            return true;

        }

}