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

#define INF_LL (int64)1e18
#define INF (int32)1e9
#define REP(i, n) for(int64 i = 0;i < (n);i++)
#define FOR(i, a, b) for(int64 i = (a);i < (b);i++)
#define all(x) x.begin(),x.end()
#define fs first
#define sc second

using int32 = int_fast32_t;
using uint32 = uint_fast32_t;
using int64 = int_fast64_t;
using uint64 = uint_fast64_t;
using PII = pair<int32, int32>;
using PLL = pair<int64, int64>;

const double eps = 1e-10;

template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;}
template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;}

int main(void){
	bool a[110] = {}, b[110] = {}, c[110] = {};
	int32 N, X, Y, Z;
	cin >> N >> X;
	REP(i, X){
		int32 A; cin >> A; A--;
		a[A] = 1;
	}
	cin >> X;
	REP(i, X){
		int32 A; cin >> A; A--;
		b[A] = 1;
	}
	cin >> X;
	REP(i, X){
		int32 A; cin >> A; A--;
		c[A] = 1;
	}
	int32 cnt = 0;
	REP(i, N){
		if((!a[i] && c[i]) || (b[i] && c[i])) cnt++;
	}
	cout << cnt << endl;
	
}

