/**
 * Author: Sergey Kopeliovich (Burunduk30@gmail.com)
 */

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

public class x_scanner {
	static public void main(String[] args) throws Exception {
		new x_scanner().run();
	}
	public void run() throws Exception {
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);

		out.close();
	}
}