import java.io.*;
import java.util.*;
public class Main {
static PrintWriter out = new PrintWriter(System.out);
static Scanner in = new Scanner(System.in);
static BufferedReader re = new BufferedReader(new InputStreamReader(System.in));
static BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(System.out));
//String[] strs = re.readLine().split(" "); int a = Integer.parseInt(strs[0]);
public static void main(String[] args) throws IOException {
PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
//String[] strs = re.readLine().split(" ");
//int T=Integer.parseInt(strs[0]);
//int T=in.nextInt();
int T=1;
while(T>0){
//String[] strs1 = re.readLine().split(" ");
//int n=Integer.parseInt(strs1[0]);
//String s=re.readLine();
//char arr[]=s.toCharArray();
//Set<Integer>set=new HashSet<>();
//Map<Long,Integer>map=new HashMap<>();26
//abcdefghijklmnopqrstuvwxyz
//Map<Integer,List<Integer>>map=new HashMap<>();
//TreeSet<Integer> set = new TreeSet<>();
//int max=0;int min=2100000000;
T--;
}
out.flush();
}
}