#include <iostream>
 using namespace std;
 
bool analyze(int test1,int test2, int* n) ;

int N=0;
 int main() {
	 cin >>N;
	 int * x;
	 int * y;
	 int * z;
	unsigned long counter =0;
	 while(N>0) {
		 x = new int[N];
		 y = new int[N];
		 z = new int[N];
		 for(int i=0;i <N;i++)  cin >> x[i];
		 for(int i=0;i <N;i++)  cin >> y[i];
		 for(int i=0;i <N;i++)  cin >> z[i];
		 counter =0;
		for(int i=0;i<N;i++){
			for(int j = i+1; j<N;j++){
				if(analyze(x[i],x[j],y) && analyze(x[i],x[j],z)) counter++;
			}
		 }
		cout << counter<< endl;
		cin >>N;
		 delete [] x;
		 delete [] y;
		 delete [] z;
	 }
	 return 0;
	 }
	
/*int find_in_array(int what, int * n, int from) {
	for(int i=from;i<N; i++) {
			if(n[i]==what) return i;
		}
	return -1;
	}	*/

bool analyze(int test1,int test2, int* n) {
	for(int i=0;i<N; i++) {
		if (n[i] == test1) {
			return true;
		}
		if (n[i] == test2) {
			return false;
		}
	}
	return false;
}