#include<bits/stdc++.h>
using namespace std;
#define int long long
#define REP(i,m,n) for(int i=(m);i<(n);i++)
#define rep(i,n) REP(i,0,n)
#define pb push_back
#define all(a) a.begin(),a.end()
#define rall(c) (c).rbegin(),(c).rend()
#define mp make_pair
#define endl '\n'
//#define vec vector<ll>
//#define mat vector<vector<ll> >
#define fi first
#define se second
#define double long double
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> pll;
//typedef long double ld;
typedef complex<double> Complex;
const ll INF=1e9+7;
const ll MOD=998244353;
const ll inf=INF*INF;
const ll mod=MOD;
const ll MAX=3010;
const double PI=acos(-1.0);
typedef vector<vector<ll> > mat;
typedef vector<ll> vec;


signed main(){
    ll n;cin>>n;
    vector<ll>r(MAX),g(MAX),b(MAX);
    rep(i,n){
        ll x;cin>>x;
        r[x]++;
    }
    rep(i,n){
        ll x;cin>>x;
        g[x]++;
    }
    rep(i,n){
        ll x;cin>>x;
        b[x]++;
    }
    ll ans=0;
    REP(i,1,MAX)b[i]+=b[i-1];
    rep(i,MAX){
        rep(j,i+1){
            ans+=r[i]*g[j]*(b[i]-b[max(0LL,i-j)]);

        }
    }
    cout<<ans<<endl;
}