
import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        boolean a[] = new boolean[n + 1];
        boolean b[] = new boolean[n + 1];
        boolean c[] = new boolean[n + 1];

        int x = scan.nextInt();
        for (int i = 0; i < x; ++i) {
            int user = scan.nextInt();
            a[user] = true;
        }

        int y = scan.nextInt();
        for (int i = 0; i < y; ++i) {
            int user = scan.nextInt();
            b[user] = true;
        }

        int z = scan.nextInt();
        for (int i = 0; i < z; ++i) {
            int user = scan.nextInt();
            c[user] = true;
        }

        int answer = 0;

        for (int user = 1; user <= n; user++) {
            if (!a[user] && c[user] || b[user] && c[user]) {
                answer++;
            }
        }

        System.out.println(answer);
    }

}

