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 htmlencode(Object o) { return htmlencode(str(o)); } static String htmlencode(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') { int cp = s.codePointAt(i); out.append("&#x"); out.append(intToHex_flexLength(cp)); out.append(';'); i += Character.charCount(cp)-1; } else out.append(c); } return out.toString(); } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static String intToHex_flexLength(int i) { return Integer.toHexString(i); } }