import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class MyEli {

    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(, );

    cal.add(, -);

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

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

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

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

    .append("").toString(); String type = "YE3MP-";

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

    .append("").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 = ;

    ac = s.toCharArray();

    j = ;

    k = ac.length;

    while (j < k) {

    i = ( * 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 = ;

    k = abyte0.length;

    while (i < k) {

    j = abyte0[i];

    if ((j >= ) && (j <= )) {

    j = (((j - ) + ) % ) + ;

    } else if ((j >= ) && (j <= )) {

    j = (((j - ) + ) % ) + ;

    } else if ((j >= ) && (j <= )) {

    j = (((j - ) + ) % ) + ;

    }

    ac[i] = (char) j;

    i++;

    }

    return String.valueOf(ac);

    }

    public MyEli() {

    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();

    MyEli myeclipsegen = new MyEli();

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

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

    reader.readLine();

    } catch (IOException ex) {

    }

    }

                     }