#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef vector<lint> vlint;
typedef vector<vlint> vvlint;
typedef vector<bool> vbool;
typedef vector<int> vint;


#define inf 1e+9
#define endl "\n"
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i < (int)(n); i++)
#define rep_rev(i, n) for (int i = n-1; i >= 0; --i)
#define all(x) (x).begin(), (x).end()

#define pb push_back
#define eb emplace_back
#define Size(c) (int)(c).size()

#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))

template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;

template <class T, class S> inline bool chmax(T &a, S b) {
    if(a < b) {a = b;return 1;} return 0;
}
template <class T, class S> inline bool chmin(T &a, S b) {
    if(a > b) {a = b;return 1;} return 0;
}
template <class T>
void line(vector<T> &x){for (auto&& xi : x) cin >> xi;}

inline void IN(void){ return;}

template <typename First, typename... Rest>
void IN(First& first, Rest&... rest){ cin >> first; IN(rest...); return;}

#define INT(...) int __VA_ARGS__; IN (__VA_ARGS__)
#define LINT(...) lint __VA_ARGS__; IN (__VA_ARGS__)
#define STR(...) string __VA_ARGS__; IN(__VA_ARGS__)

template <class T> void UNIQUE(vector<T> &x) {
    sort(all(x)); x.erase(unique(all(x)), x.end());
}
template <class T> void print_vec(T first, T end){
    for (auto i = first; i < end - 1; i++) cout << *i << " ";
    cout << *(end-1) << endl;
}

template<class... T>
void debug_print(T... args){
    vector<lint> tmp = initializer_list<lint>{args...};
    print_vec(all(tmp));
}
template<class T>
void print(T a){ cout << a << endl;}

vector<string> Yes = {"No", "Yes"};
vector<string> YES = {"NO", "YES"};

int ord(char x){ return (int)(x - 'a');}
char chr(lint x){ return (char)(x + (lint)('a'));}
lint mod = 1e9+7;
// lint mod = 

lint sum(vlint a){lint ret = 0; for(auto&& v:a) ret += v; return ret;}
lint vmini(vlint a, lint &index){
    lint ret = LLONG_MAX;
    rep(i, Size(a)){ if (chmin(ret, a[i])) index = i;}
    return ret;
}
lint vmaxi(vlint a, lint &index){
    lint ret = -LLONG_MAX;
    rep(i, Size(a)){ if (chmax(ret, a[i])) index = i;}
    return ret;
}

lint vmin(vlint a){
    lint ret = LLONG_MAX; for (auto && v : a) chmin(ret, v); return ret;
}
lint vmax(vlint a){
    lint ret = -LLONG_MAX; for (auto && v : a) chmax(ret, v); return ret;
}


vlint base_3(int k){
    vlint ret; while (k > 0){ ret.pb(k % 3); k /= 3;} reverse(all(ret)); return ret;
}
map<lint, lint> trial_division(lint n){
    map<lint, lint> factor;
    lint tmp = (lint)(sqrt(n)) + 1;
    for (lint i = 2; i < tmp; ++i){
        while (n % i == 0){
            n /= i;
            factor[i] ++;
        }
    }
    if(n != 1) factor[n] ++;
    return factor;
}
bool judge(lint u){
    return 0 <= u && u <= 5000;
}
lint dist(lint x1, lint y1, lint x2, lint y2){
    return (x1-x2) * (x1-x2) + (y1-y2) * (y1 - y2);
}



int main(){
    LINT(n);
    vlint a(n), b(n), c(n);
    line(a); line(b); line(c);

    sort(all(a)); sort(all(c));
    lint u, d; lint ans = 0;
    rep(i, n){
        u = lb(a, b[i]);
        d = n - ub(c, b[i]);
        ans += u * d;
    }
    print(ans);

}

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

using ll = long long;
#define int long long
using P = pair<int, int>;

#define LOG(variable) cerr << #variable":\t" << (variable) << "\n"
#define LOGCON(i, container) for(int (i) = 0; (i) < (container).size(); ++(i)) cerr << (i) << ":\t" << (container)[(i)] << "\n"
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPS(i, r, n) for (int i = (r); i < (n); ++i)
#define REPR(i, n) for(int i = (n); i >= 0; --i) // from n to 0
#define REPRS(i, n, r) for(int i = (n); i >= (r); --i) // from n to r
#define REPOBJ(itr, obj) for(auto itr = (obj).begin(); itr != (obj).end() ; ++itr)
#define REPROBJ(itr, obj) for(auto itr = (obj).rbegin(), e = (obj).rend(); itr != e; ++itr)
#define COUTB(x) cout << (x) << "\n"
#define COUTS(x) cout << (x) << " "
#define PB push_back
#define SORT(obj) sort((obj).begin(), (obj).end())
#define SORTR(obj) sort((obj).begin(), (obj).end(), greater<>())
#define ALL(obj) (obj).begin(), (obj).end()
#define MOD 1000000007
#define PI (acos(-1))
template<typename T = int>
T in() {T a; cin >> a; return a;}
/***** MAIN *****/
int lowerbound(vector<int> &v, int num) {
  int left = 0, right = v.size()-1;
  while(right-left > 0) {
    int mid = (left + right) / 2;
    if(v[mid] >= num) right = mid;
    else left = mid + 1;
  }
  if(v[left] >= num) return left;
  else return v.size();
}

int upperbound(vector<int> &v, int num) {
  int left = 0, right = v.size()-1;
  while(right-left > 0) {
    int mid = (left + right) / 2;
    if(v[mid] > num) right = mid;
    else left = mid + 1;
  }
  if(v[left] > num) return left;
  else return v.size();
}
signed main() {
  int n; cin >> n;
  vector<int> a(n), b(n), c(n);
  REP(i,n) cin >> a[i];
  REP(i,n) cin >> b[i];
  REP(i,n) cin >> c[i];
  SORT(a); SORT(b); SORT(c);
  int ans = 0;
  REP(i,n) {
    int upper_count = lowerbound(a, b[i]);
    int lower_count = n - upperbound(c, b[i]);
    ans += upper_count * lower_count;
  }
  cout << ans;
  cout << "\n";
  return 0;
}
/***** MAIN *****/