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 static x30_pkg.x30_util.DynamicObject;
import java.text.*;
import java.text.NumberFormat;
import java.util.TimeZone;
import java.awt.geom.*;
class main {
abstract static class PStackComputable implements VStack.Computable {
double probability = 1;
}
static class VStack implements Steppable, IVStack {
List stack = new ArrayList();
Object latestResult;
transient Object newResult;
// the null sentinel replaces a null function result
// when stored in latestResult
static class NullSentinel {}
static NullSentinel nullSentinel = new NullSentinel();
VStack() {}
VStack(Computable computation) { push(computation); }
VStack(Iterable l) { pushAll(l); }
// A is what the function returns
interface Computable {
public void step(VStack stack, Object subComputationResult);
}
private Object deSentinel(Object o) {
return o instanceof NullSentinel ? null : o;
}
private Object sentinel(Object o) {
return o == null ? nullSentinel : o;
}
// called by computations or users to start a subroutine
public void push(Computable computation) {
stack.add(computation);
}
// perform a computation step. returns false iff done
public boolean step() {
if (empty(stack)) return false;
newResult = null;
last(stack).step(this, result());
latestResult = newResult;
newResult = null;
return true;
}
// called from a computation to return a value
public void _return(Object value) {
newResult = sentinel(value);
pop();
}
// called from a computation to tail-call another routine
final void replace(Computable computation){ tailCall(computation); }
void tailCall(Computable computation) {
pop();
stack.add(computation);
}
// all-in-one evaluation function - call on an empty stack
A compute(Computable computation) {
if (computation == null) return null;
push(computation);
stepAll(this);
return (A) latestResult;
}
// return result of just completed computation or sub-computation
final Object subResult(){ return result(); }
Object result() {
return deSentinel(latestResult);
}
boolean hasSubResult() { return latestResult != null; }
void pushAll(Iterable l) {
for (Computable c : unnullForIteration(l))
push(c);
}
void add(Runnable r) {
if (r == null) return;
push((stack, subComputationResult) -> r.run());
}
// caller of current function
Computable caller() {
return nextToLast(stack);
}
protected void pop() {
removeLast(stack);
}
}
interface IVStack {
default void call(VStack.Computable f){ push(f); }
void push(VStack.Computable f);
default void _return() { _return(null); }
void _return(Object value);
}
static interface Steppable {
public boolean step(); // return false if done
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); }
static boolean empty(CharSequence s) { return s == null || s.length() == 0; }
static boolean empty(Map map) { return map == null || map.isEmpty(); }
static boolean empty(Object[] o) { return o == null || o.length == 0; }
static boolean empty(BitSet bs) { return bs == null || bs.isEmpty(); }
static boolean empty(Object o) {
if (o instanceof Collection) return empty((Collection) o);
if (o instanceof String) return empty((String) o);
if (o instanceof Map) return empty((Map) o);
if (o instanceof Object[]) return empty((Object[]) o);
if (o instanceof byte[]) return empty((byte[]) o);
if (o == null) return true;
throw fail("unknown type for 'empty': " + getType(o));
}
static boolean empty(Iterator i) { return i == null || !i.hasNext(); }
static boolean empty(double[] a) { return a == null || a.length == 0; }
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static boolean empty(byte[] a) { return a == null || a.length == 0; }
static boolean empty(short[] a) { return a == null || a.length == 0; }
static boolean empty(IMultiMap mm) { return mm == null || mm.size() == 0; }
static boolean empty(File f) { return getFileSize(f) == 0; }
static boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); }
static boolean empty(Chain c) { return c == null; }
static boolean empty(AppendableChain c) { return c == null; }
static A last(List l) {
return empty(l) ? null : l.get(l.size()-1);
}
static char last(String s) {
return empty(s) ? '#' : s.charAt(l(s)-1);
}
static byte last(byte[] a) {
return l(a) != 0 ? a[l(a)-1] : 0;
}
static int last(int[] a) {
return l(a) != 0 ? a[l(a)-1] : 0;
}
static double last(double[] a) {
return l(a) != 0 ? a[l(a)-1] : 0;
}
static A last(A[] a) {
return l(a) != 0 ? a[l(a)-1] : null;
}
static A last(Iterator it) {
A a = null;
while (it.hasNext()) { ping(); a = it.next(); }
return a;
}
static A last(Collection l) {
if (l == null) return null;
if (l instanceof List) return (A) last((List) l);
if (l instanceof SortedSet) return (A) last((SortedSet) l);
Iterator it = iterator(l);
A a = null;
while (it.hasNext()) { ping(); a = it.next(); }
return a;
}
static A last(SortedSet l) {
return l == null ? null : l.last();
}
static A last(ReverseChain l) {
return l == null ? null : l.element;
}
static A last(CompactLinkedHashSet set) {
return set == null ? null : set.last();
}
// returns number of steps
static long stepAll(Steppable s) {
long steps = 0;
if (s != null) {
var pingSource = pingSource();
while (true) {
ping(pingSource);
if (s.step())
++steps;
else
break;
}
}
return steps;
}
static String unnullForIteration(String s) {
return s == null ? "" : s;
}
static Collection unnullForIteration(Collection l) {
return l == null ? immutableEmptyList() : l;
}
static List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; }
static int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; }
static char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; }
static double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; }
static short[] unnullForIteration(short[] l) { return l == null ? emptyShortArray() : l; }
static Map unnullForIteration(Map l) {
return l == null ? immutableEmptyMap() : l;
}
static Iterable unnullForIteration(Iterable i) {
return i == null ? immutableEmptyList() : i;
}
static A[] unnullForIteration(A[] a) {
return a == null ? (A[]) emptyObjectArray() : a;
}
static BitSet unnullForIteration(BitSet b) {
return b == null ? new BitSet() : b;
}
static Pt unnullForIteration(Pt p) {
return p == null ? new Pt() : p;
}
//ifclass Symbol
static Symbol unnullForIteration(Symbol s) {
return s == null ? emptySymbol() : s;
}
//endif
static Pair unnullForIteration(Pair p) {
return p != null ? p : new Pair(null, null);
}
static long unnullForIteration(Long l) { return l == null ? 0L : l; }
static A nextToLast(List l) {
return get(l, l(l)-2);
}
static void removeLast(List l) {
if (!l.isEmpty())
l.remove(l(l)-1);
}
static void removeLast(List l, int n) {
removeSubList(l, l(l)-n);
}
static void removeLast(int n, List l) {
removeLast(l, n);
}
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(Object... objects) { throw new Fail(objects); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }
static String getType(Object o) {
return getClassName(o);
}
static long getFileSize(String path) {
return path == null ? 0 : new File(path).length();
}
static long getFileSize(File f) {
return f == null ? 0 : f.length();
}
static int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(short[] a) { return a == null ? 0 : a.length; }
static int l(long[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(double[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }
static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible
static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); }
static long l(File f) { return f == null ? 0 : f.length(); }
static int l(IMultiMap mm) { return mm == null ? 0 : mm.size(); }
static int l(AppendableChain a) { return a == null ? 0 : a.size; }
// legacy mode
//sbool ping_actions_shareable = true;
static volatile boolean ping_pauseAll = false;
static int ping_sleep = 100; // poll pauseAll flag every 100
static volatile boolean ping_anyActions = false;
static Map ping_actions = newWeakHashMap();
static ThreadLocal ping_isCleanUpThread = new ThreadLocal();
// ignore pingSource if not PingV3
static boolean ping(PingSource pingSource) { return ping(); }
// always returns true
static boolean ping() {
//ifdef useNewPing
newPing();
//endifdef
if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */);
//ifndef LeanMode ping_impl(); endifndef
return true;
}
// returns true when it slept
static boolean ping_impl(boolean okInCleanUp) { try {
if (ping_pauseAll && !isAWTThread()) {
do
Thread.sleep(ping_sleep);
while (ping_pauseAll);
return true;
}
if (ping_anyActions) { // don't allow sharing ping_actions
if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
failIfUnlicensed();
Object action = null;
synchronized(ping_actions) {
if (!ping_actions.isEmpty()) {
action = ping_actions.get(currentThread());
if (action instanceof Runnable)
ping_actions.remove(currentThread());
if (ping_actions.isEmpty()) ping_anyActions = false;
}
}
if (action instanceof Runnable)
((Runnable) action).run();
else if (eq(action, "cancelled"))
throw fail("Thread cancelled.");
}
return false;
} catch (Exception __e) { throw rethrow(__e); } }
static Iterator iterator(Iterable c) {
return c == null ? emptyIterator() : c.iterator();
}
// assumptions:
// -pingSource() stays constant within a stack frame (so you can cache it)
// -all changes happen with tempSetPingSource
// -multiple threads can share a PingSource
static PingSource pingSource() {
return pingSource_tl().get();
}
static PingSource pingSource(Thread thread) {
return pingSource_tl().get(thread);
}
static List immutableEmptyList() {
return Collections.emptyList();
}
static int[] emptyIntArray_a = new int[0];
static int[] emptyIntArray() { return emptyIntArray_a; }
static char[] emptyCharArray = new char[0];
static char[] emptyCharArray() { return emptyCharArray; }
static double[] emptyDoubleArray = new double[0];
static double[] emptyDoubleArray() { return emptyDoubleArray; }
static short[] emptyShortArray = new short[0];
static short[] emptyShortArray() { return emptyShortArray; }
static Map immutableEmptyMap() {
return Collections.emptyMap();
}
static Object[] emptyObjectArray_a = new Object[0];
static Object[] emptyObjectArray() { return emptyObjectArray_a; }
static Symbol emptySymbol_value;
static Symbol emptySymbol() {
if (emptySymbol_value == null) emptySymbol_value = symbol("");
return emptySymbol_value;
}
// get purpose 1: access a list/array/map (safer version of x.get(y))
static A get(List l, int idx) {
return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
// seems to conflict with other signatures
/*static B get(Map map, A key) {
ret map != null ? map.get(key) : null;
}*/
static A get(A[] l, int idx) {
return idx >= 0 && idx < l(l) ? l[idx] : null;
}
// default to false
static boolean get(boolean[] l, int idx) {
return idx >= 0 && idx < l(l) ? l[idx] : false;
}
// get purpose 2: access a field by reflection or a map
static Object get(Object o, String field) {
try {
if (o == null) return null;
if (o instanceof Class) return get((Class) o, field);
if (o instanceof Map)
return ((Map) o).get(field);
Field f = getOpt_findField(o.getClass(), field);
if (f != null) {
makeAccessible(f);
return f.get(o);
}
if (o instanceof DynamicObject)
return getOptDynOnly(((DynamicObject) o), field);
} catch (Exception e) {
throw asRuntimeException(e);
}
throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName());
}
static Object get_raw(String field, Object o) {
return get_raw(o, field);
}
static Object get_raw(Object o, String field) { try {
if (o == null) return null;
Field f = get_findField(o.getClass(), field);
makeAccessible(f);
return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }
static Object get(Class c, String field) {
try {
Field f = get_findStaticField(c, field);
makeAccessible(f);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field get_findStaticField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field get_findField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Object get(String field, Object o) {
return get(o, field);
}
static boolean get(BitSet bs, int idx) {
return bs != null && bs.get(idx);
}
static void removeSubList(List l, int from, int to) {
if (l != null) subList(l, from, to).clear();
}
static void removeSubList(List l, int from) {
if (l != null) subList(l, from).clear();
}
static RuntimeException asRuntimeException(Throwable t) {
if (t instanceof Error)
_handleError((Error) t);
return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static String getClassName(Object o) {
return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static int iteratorCount_int_close(Iterator i) { try {
int n = 0;
if (i != null) while (i.hasNext()) { i.next(); ++n; }
if (i instanceof AutoCloseable) ((AutoCloseable) i).close();
return n;
} catch (Exception __e) { throw rethrow(__e); } }
static Map newWeakHashMap() {
return _registerWeakMap(synchroMap(new WeakHashMap()));
}
static void newPing() {
var tl = newPing_actionTL();
Runnable action = tl == null ? null : tl.get();
{ if (action != null) action.run(); }
}
// TODO: test if android complains about this
static boolean isAWTThread() {
if (isAndroid()) return false;
if (isHeadless()) return false;
return isAWTThread_awt();
}
static boolean isAWTThread_awt() {
return SwingUtilities.isEventDispatchThread();
}
static boolean isTrue(Object o) {
if (o instanceof Boolean)
return ((Boolean) o).booleanValue();
if (o == null) return false;
if (o instanceof ThreadLocal) // TODO: remove this
return isTrue(((ThreadLocal) o).get());
throw fail(getClassName(o));
}
static boolean isTrue(Boolean b) {
return b != null && b.booleanValue();
}
static void failIfUnlicensed() {
assertTrue("license off", licensed());
}
static Thread currentThread() {
return Thread.currentThread();
}
static boolean eq(Object a, Object b) {
return a == b || a != null && b != null && a.equals(b);
}
// a little kludge for stuff like eq(symbol, "$X")
static boolean eq(Symbol a, String b) {
return eq(str(a), b);
}
static RuntimeException rethrow(Throwable t) {
if (t instanceof Error)
_handleError((Error) t);
throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static RuntimeException rethrow(String msg, Throwable t) {
throw new RuntimeException(msg, t);
}
static Iterator emptyIterator() {
return Collections.emptyIterator();
}
static BetterThreadLocal pingSource_tl_var = new BetterThreadLocal() {
@Override
public PingSource initialValue() {
return ping_v3_pingSourceMaker().get();
}
};
static BetterThreadLocal pingSource_tl() {
return pingSource_tl_var;
}
static WeakHasherMap symbol_map = new WeakHasherMap(new Hasher() {
public int hashCode(Symbol symbol) { return symbol.text.hashCode(); }
public boolean equals(Symbol a, Symbol b) {
if (a == null) return b == null;
return b != null && eq(a.text, b.text);
}
});
static Symbol symbol(String s) {
if (s == null) return null;
synchronized(symbol_map) {
// TODO: avoid object creation by passing the string to findKey
Symbol symbol = new Symbol(s, true);
Symbol existingSymbol = symbol_map.findKey(symbol);
if (existingSymbol == null)
symbol_map.put(existingSymbol = symbol, true);
return existingSymbol;
}
}
static Symbol symbol(CharSequence s) {
if (s == null) return null;
if (s instanceof Symbol) return (Symbol) s;
if (s instanceof String) return symbol((String) s);
return symbol(str(s));
}
static Symbol symbol(Object o) {
return symbol((CharSequence) o);
}
static Field getOpt_findField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static Field makeAccessible(Field f) {
try {
f.setAccessible(true);
} catch (Throwable e) {
// Note: The error reporting only works with Java VM option --illegal-access=deny
vmBus_send("makeAccessible_error", e, f);
}
return f;
}
static Method makeAccessible(Method m) {
try {
m.setAccessible(true);
} catch (Throwable e) {
vmBus_send("makeAccessible_error", e, m);
}
return m;
}
static Constructor makeAccessible(Constructor c) {
try {
c.setAccessible(true);
} catch (Throwable e) {
vmBus_send("makeAccessible_error", e, c);
}
return c;
}
static Object getOptDynOnly(DynamicObject o, String field) {
if (o == null || o.fieldValues == null) return null;
return o.fieldValues.get(field);
}
static List subList(List l, int startIndex) {
return subList(l, startIndex, l(l));
}
static List subList(int startIndex, List l) {
return subList(l, startIndex);
}
static List subList(int startIndex, int endIndex, List l) {
return subList(l, startIndex, endIndex);
}
static List subList(List l, int startIndex, int endIndex) {
if (l == null) return null;
int n = l(l);
startIndex = Math.max(0, startIndex);
endIndex = Math.min(n, endIndex);
if (startIndex > endIndex) return ll();
if (startIndex == 0 && endIndex == n) return l;
return l.subList(startIndex, endIndex);
}
static void _handleError(Error e) {
//call(javax(), '_handleError, e);
}
static List _registerWeakMap_preList;
static A _registerWeakMap(A map) {
if (javax() == null) {
// We're in class init
if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList();
_registerWeakMap_preList.add(map);
return map;
}
try {
call(javax(), "_registerWeakMap", map);
} catch (Throwable e) {
printException(e);
print("Upgrade JavaX!!");
}
return map;
}
static void _onLoad_registerWeakMap() {
assertNotNull(javax());
if (_registerWeakMap_preList == null) return;
for (Object o : _registerWeakMap_preList)
_registerWeakMap(o);
_registerWeakMap_preList = null;
}
static Map synchroMap() {
return synchroHashMap();
}
static Map synchroMap(Map map) {
return Collections.synchronizedMap(map);
}
static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL;
static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL() {
if (newPing_actionTL == null)
newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL",
() -> {
Runnable value = (Runnable) (callF_gen(vm_generalMap_get("newPing_valueForNewThread")));
var tl = new x30_pkg.x30_util.BetterThreadLocal();
tl.set(value);
return tl;
});
return newPing_actionTL;
}
static int isAndroid_flag;
static boolean isAndroid() {
if (isAndroid_flag == 0)
isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1;
return isAndroid_flag > 0;
}
static Boolean isHeadless_cache;
static boolean isHeadless() {
if (isHeadless_cache != null) return isHeadless_cache;
if (isAndroid()) return isHeadless_cache = true;
if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true;
// Also check if AWT actually works.
// If DISPLAY variable is set but no X server up, this will notice.
try {
SwingUtilities.isEventDispatchThread();
return isHeadless_cache = false;
} catch (Throwable e) { return isHeadless_cache = true; }
}
static void assertTrue(Object o) {
if (!(eq(o, true) /*|| isTrue(pcallF(o))*/))
throw fail(str(o));
}
static boolean assertTrue(String msg, boolean b) {
if (!b)
throw fail(msg);
return b;
}
static boolean assertTrue(boolean b) {
if (!b)
throw fail("oops");
return b;
}
static volatile boolean licensed_yes = true;
static boolean licensed() {
if (!licensed_yes) return false;
ping_okInCleanUp();
return true;
}
static void licensed_off() {
licensed_yes = false;
}
static String str(Object o) {
return o == null ? "null" : o.toString();
}
static String str(char[] c) {
return new String(c);
}
static String str(char[] c, int offset, int count) {
return new String(c, offset, count);
}
static IF0 ping_v3_pingSourceMaker_cache;
static IF0 ping_v3_pingSourceMaker() { if (ping_v3_pingSourceMaker_cache == null) ping_v3_pingSourceMaker_cache = ping_v3_pingSourceMaker_load(); return ping_v3_pingSourceMaker_cache;}
static IF0 ping_v3_pingSourceMaker_load() {
return or((IF0) vm_generalMap_get("ping_v3_pingSourceMaker"), () -> null);
}
static void vmBus_send(String msg, Object... args) {
Object arg = vmBus_wrapArgs(args);
pcallFAll_minimalExceptionHandling(vm_busListeners_live(), msg, arg);
pcallFAll_minimalExceptionHandling(vm_busListenersByMessage_live().get(msg), msg, arg);
}
static void vmBus_send(String msg) {
vmBus_send(msg, (Object) null);
}
static List ll(A... a) {
ArrayList l = new ArrayList(a.length);
if (a != null) for (A x : a) l.add(x);
return l;
}
static Class javax() {
return getJavaX();
}
static List synchroList() {
return synchroList(new ArrayList());
}
static List synchroList(List l) {
return Collections.synchronizedList(l);
}
static Object call(Object o) {
return callF(o);
}
// varargs assignment fixer for a single string array argument
static Object call(Object o, String method, String[] arg) {
return call(o, method, new Object[] {arg});
}
static Object call(Object o, String method, Object... args) {
//ret call_cached(o, method, args);
return call_withVarargs(o, method, args);
}
static A printException(A e) {
printStackTrace(e);
return e;
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static boolean printAlsoToSystemOut = true;
static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot
// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;
static boolean print_silent = false; // total mute if set
static Object print_byThread_lock = new Object();
static volatile ThreadLocal