import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.math.*;
import java.time.Duration;
import java.lang.invoke.VarHandle;
import java.lang.invoke.MethodHandles;
class main {

static class CloseableWrapper<A> implements IAutoCloseableF0<A> {
  CloseableWrapper() {}
  A object;
  
  CloseableWrapper(A object) {
  this.object = object;}
  CloseableWrapper(A object, Runnable close) {
  this.close = close;
  this.object = object;}
  
  public A get() { return object; }
  
  public transient Runnable close;
public void close() { if (close != null) close.run(); else close_base(); }
final public void close_fallback(Runnable _f) { if (_f != null) _f.run(); else close_base(); }
public void close_base() {}
}
static interface IAutoCloseableF0<A> extends IF0<A>, AutoCloseable {}


public static interface IF0<A> {
  A get();
}

}