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.*;
class main {
static String embedYoutube_newer(String youtubeID, Object... __) {
return embedYoutube_newer(youtubeID, 300, __);
}
static String embedYoutube_newer(String youtubeID, int w, Object... __) {
return embedYoutube_newer(youtubeID, w, sixteenToNine(w), __);
}
static String embedYoutube_newer(String youtubeID, int w, int h, Object... __) {
boolean loop = false;
if (first(__) instanceof Boolean) {
loop = true;
__ = dropFirst(__);
}
boolean autoPlay = boolPar("autoPlay",__);
youtubeID = extractYouTubeID(youtubeID);
return iframe(appendQueryToURL("https://www.youtube.com/embed/" + youtubeID,
"playlist" , loop ? youtubeID : null,
"autoplay" , autoPlay ? 1 : null,
"loop" , loop ? 1 : 0),
"width" , w,
"height" , h,
"frameborder" , 0,
"allow" , "autoplay; encrypted-media",
"allowfullscreen" , html_valueLessParam());
}
static int sixteenToNine(int w) {
return iround(w*9.0/16);
}
static Object first(Object list) {
return first((Iterable) list);
}
static A first(List list) {
return empty(list) ? null : list.get(0);
}
static A first(A[] bla) {
return bla == null || bla.length == 0 ? null : bla[0];
}
static A first(Iterator i) {
return i == null || !i.hasNext() ? null : i.next();
}
static A first(Iterable i) {
if (i == null) return null;
Iterator it = i.iterator();
return it.hasNext() ? it.next() : null;
}
static Character first(String s) { return empty(s) ? null : s.charAt(0); }
static Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); }
static A first(Pair p) {
return p == null ? null : p.a;
}
static Byte first(byte[] l) {
return empty(l) ? null : l[0];
}
static String[] dropFirst(int n, String[] a) {
return drop(n, a);
}
static String[] dropFirst(String[] a) {
return drop(1, a);
}
static Object[] dropFirst(Object[] a) {
return drop(1, a);
}
static List dropFirst(List l) {
return dropFirst(1, l);
}
static List dropFirst(int n, Iterable i) { return dropFirst(n, toList(i)); }
static List dropFirst(Iterable i) { return dropFirst(toList(i)); }
static List dropFirst(int n, List l) {
return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size()));
}
static List dropFirst(List l, int n) {
return dropFirst(n, l);
}
static String dropFirst(int n, String s) { return substring(s, n); }
static String dropFirst(String s, int n) { return substring(s, n); }
static String dropFirst(String s) { return substring(s, 1); }
static boolean boolPar(ThreadLocal tl) {
return boolOptParam(tl);
}
// defaults to false
static boolean boolPar(Object[] __, String name) {
return boolOptParam(__, name);
}
static boolean boolPar(String name, Object[] __) {
return boolOptParam(__, name);
}
static boolean boolPar(String name, Map __) {
return boolOptParam(name, __);
}
static boolean boolPar(String name, Object[] params, boolean defaultValue) {
return optParam(params, name, defaultValue);
}
// TODO: check validity
static String extractYouTubeID(String s) {
if (empty(s)) return null;
int i = indexOfAfter(s, "youtu.be/");
if (i >= 0)
return substring(s, i);
s = substring(s, indexOf(s, '?')+1);
try {
String __1 = mapGet(decodeHQuery(s), "v"); if (!empty(__1)) return __1;
} catch (Throwable _e) {}
return s;
}
static String iframe(String url, Object... params) {
return hfulltag("iframe", "", arrayPlus(params, "src" , url));
}
static String appendQueryToURL(String url, Map params) {
return url == null ? null : url + (url.contains("?") ? "&" : "?") + makePostData(params);
}
static String appendQueryToURL(String url, Object... data) {
return appendQueryToURL(url, litmap(data));
}
static Object html_valueLessParam_cache;
static Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache; }
static Object html_valueLessParam_load() {
return new Object();
}
static int iround(double d) {
return (int) Math.round(d);
}
static int iround(Number n) {
return iround(toDouble(n));
}
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(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(File f) { return getFileSize(f) == 0; }
static String[] drop(int n, String[] a) {
n = Math.min(n, a.length);
String[] b = new String[a.length-n];
System.arraycopy(a, n, b, 0, b.length);
return b;
}
static Object[] drop(int n, Object[] a) {
n = Math.min(n, a.length);
Object[] b = new Object[a.length-n];
System.arraycopy(a, n, b, 0, b.length);
return b;
}
static ArrayList toList(A[] a) { return asList(a); }
static ArrayList toList(int[] a) { return asList(a); }
static ArrayList toList(Set s) { return asList(s); }
static ArrayList toList(Iterable s) { return asList(s); }
static String substring(String s, int x) {
return substring(s, x, strL(s));
}
static String substring(String s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
int n = s.length();
if (y < x) y = x;
if (y > n) y = n;
if (x >= y) return "";
return s.substring(x, y);
}
// convenience method for quickly dropping a prefix
static String substring(String s, CharSequence l) {
return substring(s, l(l));
}
static boolean boolOptParam(ThreadLocal tl) {
return isTrue(optPar(tl));
}
// defaults to false
static boolean boolOptParam(Object[] __, String name) {
return isTrue(optParam(__, name));
}
static boolean boolOptParam(String name, Object[] __) {
return boolOptParam(__, name);
}
static boolean boolOptParam(String name, Map __) {
return isTrue(optPar(name, __));
}
static A optParam(ThreadLocal tl, A defaultValue) {
return optPar(tl, defaultValue);
}
static A optParam(ThreadLocal tl) {
return optPar(tl);
}
static Object optParam(String name, Map params) {
return mapGet(params, name);
}
// now also takes a map as single array entry
static A optParam(Object[] opt, String name, A defaultValue) {
int n = l(opt);
if (n == 1 && opt[0] instanceof Map) {
Map map = (Map) (opt[0]);
return map.containsKey(name) ? (A) map.get(name) : defaultValue;
}
if (!even(l(opt))) throw fail("Odd parameter length");
for (int i = 0; i < l(opt); i += 2)
if (eq(opt[i], name))
return (A) opt[i+1];
return defaultValue;
}
static Object optParam(Object[] opt, String name) {
return optParam(opt, name, null);
}
static Object optParam(String name, Object[] params) {
return optParam(params, name);
}
static int indexOfAfter(String a, String b) {
int i = indexOf(a, b);
return i >= 0 ? i+l(b) : i;
}
static int indexOf(List l, A a, int startIndex) {
if (l == null) return -1;
int n = l(l);
for (int i = startIndex; i < n; i++)
if (eq(l.get(i), a))
return i;
return -1;
}
static int indexOf(List l, int startIndex, A a) {
return indexOf(l, a, startIndex);
}
static int indexOf(List l, A a) {
if (l == null) return -1;
return l.indexOf(a);
}
static int indexOf(String a, String b) {
return a == null || b == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, String b, int i) {
return a == null || b == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, char b) {
return a == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, int i, char b) {
return indexOf(a, b, i);
}
static int indexOf(String a, char b, int i) {
return a == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, int i, String b) {
return a == null || b == null ? -1 : a.indexOf(b, i);
}
static int indexOf(A[] x, A a) {
int n = l(x);
for (int i = 0; i < n; i++)
if (eq(x[i], a))
return i;
return -1;
}
static B mapGet(Map map, A a) {
return map == null || a == null ? null : map.get(a);
}
static B mapGet(A a, Map map) {
return map == null || a == null ? null : map.get(a);
}
static Map decodeHQuery(String query) {
Map map = new HashMap();
for (String s : splitAtAmpersand(query)) {
int i = s.indexOf('=');
if (i >= 0)
map.put(urldecode(s.substring(0, i)), urldecode(s.substring(i+1)));
}
return map;
}
static String hfulltag(String tag) {
return hfulltag(tag, "");
}
static String hfulltag(String tag, Object contents, Object... params) {
return hopeningTag(tag, params) + str(contents) + "" + tag + ">";
}
// one array plus more elements
static Object[] arrayPlus(Object[] a1, Object... a2) {
return concatArrays(a1, a2);
}
static String makePostData(Map