sedin2

import java.util.*;

class Solution {
    public int solution(int n, int[][] computers) {
        int answer = 0;
        boolean[] isConnected = new boolean[n];
        
        ArrayList<Integer>[] networks = new ArrayList[n];
        for (int i=0; i<n; i++) {
            networks[i] = new ArrayList<Integer>();

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

sedin2

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

public class Main {



    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));