import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        int n_1 = 8;
        int m_1 = 4;
        int[] section_1 = {2, 3, 6};
        int n_2 = 5;
        int m_2 = 4;
        int[] section_2 = {1, 3};
        int n_3 = 4;
        int m_3 = 1;
        int[] section_3 = {1, 2, 3, 4};
        
        int a = solution(n_1, m_1, section_1);
        System.out.println(a+"\n========");
        int b = solution(n_2, m_2, section_2);
        System.out.println(b+"\n========");
        int c = solution(n_3, m_3, section_3);
        System.out.println(c+"\n========");
    }
    
    public static int solution(int n, int m, int[] section) {
        int answer = 0;
        
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i < n; i++) {
            list.add(0);
        }
        for (int se : section) {
            list.set(se, 1);
        }
        
        
        
        return answer;
    }
}