#include <bits/stdc++.h>
using namespace std;

int n, t;
long long r[3001], g[3001], b[3001];
long long m = 0;

int main()
{
	cin >> n;

	for (int i = 0; i < n; i++) {
		cin >> t;
		r[t]++;
	}

	for (int i = 0; i < n; i++) {
		cin >> t;
		g[t]++;
	}

	for (int i = 0; i < n; i++) {
		cin >> t;
		b[t]++;
	}

	for (int i = 1; i <= 3000; i++) {
		b[i] = b[i] + b[i - 1];
	}

	for (int i = 1; i <= 3000; i++) {
		if (r[i] > 0) {
			for (int j = 1; j <= i; j++) {
				m += r[i] * g[j] * (b[i] - b[i - j]);
			}
		}
	}

	cout << m << endl;
}