import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String args[]) {
        Scanner scan = null;
        List<String> scanList = new ArrayList<String>();

        try {
            scan = new Scanner(System.in);
            while(scan.hasNext()){
                String str = scan.nextLine();
                scanList.add(str);
            }


        } finally {
            scan.close();
        }

        String strN = null;
        //N人リスト
        List<Integer> nList = new ArrayList<Integer>();

        // 読込
        int i = 0;
        for(String str : scanList) {
        // for(int i=0; i < scanList.size(); i++) {
            
            if(i == 0) {
                strN = str.substring(0, str.indexOf(" "));
                for(int k=0; k<Integer.valueOf(strN); k++) {
                    nList.add(k+1);
                }
            } else if (i != 0 && 0 == i % 2) {
                String[] sList = str.split(" ");
                for(int j=0; j<sList.length; j++) {
                    int targetInt = Integer.valueOf(sList[j]);
                    if(nList.contains(targetInt)) {
                        nList.remove(nList.indexOf(targetInt));
                    }
                }
            }
            i++;
        }

        //結果
        System.out.println(nList.size());

    }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz