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(); } }