import javax.imageio.*;
import java.awt.image.*;
import java.awt.*;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;
// The same as Presence I, but extremely mild (=actually nil) on the CPU.

public class main {
  public static void main(String[] args) throws Exception {
    sleep();
  }

static void sleep(long ms) {
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

static void sleep() { try {
 
  Object o = new Object();
  synchronized(o) { o.wait(); }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
}