#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using uint = unsigned;
using ull = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    int n;
    cin >> n;
    int m = 3000;
    vector<int> r(m+1), g(m+1), b(m+1);
    for (int i = 0; i < n; ++i) {
        int x;
        scanf("%d", &x);
        r[x]++;
    }
    for (int i = 0; i < n; ++i) {
        int x;
        scanf("%d", &x);
        g[x]++;
    }
    for (int i = 0; i < n; ++i) {
        int x;
        scanf("%d", &x);
        b[x]++;
    }
    for (int i = 0; i < m; ++i) {
        b[i+1] += b[i];
    }
    ll ans = 0;
    for (int i = 0; i <= m; ++i) {
        for (int j = 0; j <= i; ++j) {
            ans += r[i]*g[j]*(b[i]-b[i-j]);
        }
    }
    cout << ans << "\n";
    return 0;
}