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 void doubleKeyedMapPutVerbose(String mapName, DoubleKeyedMap map, A key1, B key2, C value) {
if (map != null && key1 != null && key2 != null && value != null) {
C old = map.put(key1, key2, value);
if (!eq(value, old))
print((old == null ? "Adding to" : "Updating") + (" " + mapName + ": " + key1 + ", " + key2 + " => " + value));
}
}
static boolean eq(Object a, Object b) {
return a == b || (a == null ? b == null : b != null && a.equals(b));
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
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