#include<bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint=modint998244353; //1000000007;
using ll=long long;
using pp=pair<int,int>;
#define sr string 
#define vc vector
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define pb push_back
#define all(v) v.begin(),v.end()
#define pque priority_queue
#define bpc(a) __builtin_popcount(a)
int main(){
  int n;cin>>n;
  int m=3e3+1;
  vc<ll>a(m,0),b(m,0),c(m,0);
  rep(i,n){
    int x;cin>>x; a[x]++;
  }
  rep(i,n){
    int x;cin>>x; b[x]++;
  }
  rep(i,n){
    int x;cin>>x; c[x]++;
  }
  rep(i,m-1)c[i+1]+=c[i];
  ll ans=0;
  rep(i,m)rep(j,i+1){
    ans+=a[i]*b[j]*(c[i]-c[i-j]);
  }
  cout<<ans;
}