import java.io.BufferedReader;


import java.io.IOException;


import java.io.InputStreamReader;


public class MyEclipseGen {


private static final String LL = "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 String getSerial(String userId, String licenseNum) {


   java.util.Calendar cal = java.util.Calendar.getInstance();


   cal.add(1, 3);


   cal.add(6, -1);


   java.text.NumberFormat nf = new java.text.DecimalFormat("000");


   licenseNum = nf.format(Integer.valueOf(licenseNum));


   String verTime = new StringBuilder("-").append(


     new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))


     .append("0").toString();


   String type = "YE3MP-";


   String need = new StringBuilder(userId.substring(0, 1)).append(type)


     .append("300").append(licenseNum).append(verTime).toString();


   String dx = new StringBuilder(need).append(LL).append(userId)


     .toString();


   int suf = this.decode(dx);


   String code = new StringBuilder(need).append(String.valueOf(suf))


     .toString();


   return this.change(code);


}


private int decode(String s) {


   int i;


   char[] ac;


   int j;


   int k;


   i = 0;


   ac = s.toCharArray();


   j = 0;


   k = ac.length;


   while (j < k) {


    i = (31 * i) + ac[j];


    j++;


   }


   return Math.abs(i);


}


private String change(String s) {


   byte[] abyte0;


   char[] ac;


   int i;


   int k;


   int j;


   abyte0 = s.getBytes();


   ac = new char[s.length()];


   i = 0;


   k = abyte0.length;


   while (i < k) {


    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;


    i++;


   }


   return String.valueOf(ac);


}


public MyEclipseGen() {


   super();


}


public static void main(String[] args) {


   try {


    System.out.println("please input register name:");


    BufferedReader reader = new BufferedReader(new InputStreamReader(


      System.in));


    String userId = null;


    userId = reader.readLine();


    MyEclipseGen myeclipsegen = new MyEclipseGen();


    String res = myeclipsegen.getSerial(userId, "5");


    System.out.println("Serial:" + res);


    reader.readLine();


   } catch (IOException ex) {


   }


}


}