/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package crccheck;

/**
 *
 * @author Vark
 */
public class Crccheck {
    /**
     * @param args the command line arguments
     */
   public static void main(String[] args) {

        String poly = "1010000001010011";

byte[] bytes = ("abcdefghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345a"+
"bcdefghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345ab"+
"cdefghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345abc"+
"defghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345abcd"+
"efghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345abcde"+
"fghijklmnopqrstuvwxyz12345-ABCDEFGHIJKLMNOPQRSTUVWXYZ12345......"+
"................................................................"+
"........................................................").getBytes();
StringBuilder sb = new StringBuilder();
//sb.append("1101001101010");
for(int i = 0; i < 504; i++){ //can be 64 also
    String s = Integer.toBinaryString(bytes[i]);
    while (s.length() < 8){
        s = "0" + s;
    }
    sb.append(s);
}
sb.append("000000000000000");
//System.out.println(sb);
//System.out.println(sb.length());
while(sb.charAt(0) == '0'){
    sb = sb.delete(0, 1);
}
int index = 1;
try{
    while(sb.length() > poly.length()){

String str = "";
for(int i = 0; i < poly.length(); i++){
    if (poly.charAt(i) == sb.charAt(i)){
        str += "0";
    } else {
        str += "1";
    }


}
sb.replace(0, poly.length(), str);
//System.out.println(sb.length());
while(sb.charAt(0) == '0' && sb.length() > 16){
    sb = sb.delete(0, 1);
    index++;
}

index++;

    }
    System.out.println(sb);
} catch(Exception e){
   e.printStackTrace();
   System.exit(0);
}

}
}