import java.util.*;
public class Hamming
{
   //Return the Hamming-Encoding of a Bit-String with specified Parity
   // @param dataBits: the binary digits of the data to be encoded
   // @param evenParity: true (EVEN parity), false (ODD Parity)
   public static int[] encoding(int[] dataBits, boolean evenParity)
   {
      return null;
   }
   
   //Return the data bits obtained by interpreting a Hamming code-word
   // with SINGLE ERROR Correction 
   // @param codeBits: the code bits to be decoded
   // @param evenParity: true (EVEN parity), false (ODD Parity)
   public static int[] decoding(int[] codeBits, boolean evenParity)
   {
      return null;
   }
}