//这个是生成注册码的源代码
//package rm.babaio.com;
public class RegisterMyeclipse {

 /**
  * @param args
  * @modified by: keer.wei
  * @email keer.wei@gmail.com
  * @website http://www.webfans.org/
  * @msn:keer.wei@gmail.com
  */
 private static final String L = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";
 public static void main(String[] args) {
   // TODO Auto-generated method stub
   System.out.println("input Subscriber::");
   String userId = null;
   int pos=0;
   int b = 0;
   byte buf[]=new byte[1024];
   while(true){
     try{
       b = System.in.read();
     }catch(Exception e){
       System.out.println(e.toString());
     }
     if(b=='\n'){
       break;
     }else{
       userId = new String(buf,0,pos);
       buf[pos++]=(byte)b;
     }
   }
   System.out.println("Subscriber:" + userId);
   String licStr = "YE3MP-100000-0912310";
   String need = userId.substring(0,1) + licStr;
   String dx = need + L + userId;
   int suf = decode(dx);
   String code = need + suf;
   System.out.println("Subscription Code:" + change(code));
   System.out.println("if you have any question please contact me at keer.wei@gmail.com or http://www.webfans.org/");
 }

 static int decode(String s) {
   int i = 0;
   char ac[] = s.toCharArray();
   int j = 0;
   for (int k = ac.length; j < k; j++) {
     i = 31 * i + ac[j];
   }
   return Math.abs(i);
 }

 static String change(String s) {
   byte abyte0[] = s.getBytes();
   char ac[] = new char[s.length()];
   int i = 0;
   for (int k = abyte0.length; i < k; i++) {
     int j = abyte0[i];
     if (j >= 48 && j <= 57)
       j = ((j - 48) + 5) % 10 + 48;
     else if (j >= 65 && j <= 90)
       j = ((j - 65) + 13) % 26 + 65;
     else if (j >= 97 && j <= 122)
       j = ((j - 97) + 13) % 26 + 97;
     ac[i] = (char) j;
   }
   return String.valueOf(ac);
 }
}