import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int[] rCount = new int[3001];
        for (int i = 0; i < n; i++) {
            rCount[sc.nextInt()]++;
        }
        int[] bCount = new int[3001];
        for (int i = 0; i < n; i++) {
            bCount[sc.nextInt()]++;
        }
        int[] gCount = new int[3001];
        for (int i = 0; i < n; i++) {
            gCount[sc.nextInt()]++;
        }
        int[] gSum = new int[3001];
        for (int i = 1; i < 3001; i++) {
            gSum[i] = gCount[i] + gSum[i - 1];
        }
        long ans = 0;
        for (int r = 1; r < 3001; r++) {
            for (int b = 1; b <= r; b++) {
                int min = r - b;
                ans += (long)(gSum[r] - gSum[min]) * rCount[r] * bCount[b];
            }
        }
        System.out.println(ans);
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}