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 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 javax.imageio.*;
import java.math.*;
import java.util.TimeZone;

import java.text.*;

class main {



static String localTimeWithOptionalDate_24(long time) {
  SimpleDateFormat format = simpleDateFormat_local("yyyy/MM/dd");
  String date = format.format(time);
  boolean needDate = neq(date, format.format(now()));
  return (needDate ? date + " " : "") + localTime_24(time);
}


static SimpleDateFormat simpleDateFormat_local(String format) {
  SimpleDateFormat sdf = new SimpleDateFormat(format);
  sdf.setTimeZone(localTimeZone());
  return sdf;
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}



static String localTime_24(long time) {
  SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
  sdf.setTimeZone(localTimeZone());
  return sdf.format(time);
}

static String localTime_24() {
  return localTime_24(now());
}


static TimeZone localTimeZone() {
  return getTimeZone(standardTimeZone());
  // TimeZone.getDefault()?
}
static boolean eq(Object a, Object b) {
  return a == b || (a == null ? b == null : b != null && a.equals(b));
}






static TimeZone getTimeZone(String name) {
  return TimeZone.getTimeZone(name);
}
static String standardTimeZone_name = "Europe/Berlin";

static String standardTimeZone() {
  return standardTimeZone_name;
}
static String str(Object o) {
  return o == null ? "null" : o.toString();
}

static String str(char[] c) {
  return new String(c);
}

}