import java.io.*;

class ShowSignExt
{
   public static void PrintBits(byte x)
    {
      int i;

      for (i = 7; i >= 0; i--)
         if ( (x & (1 << i)) != 0 )
	    System.out.print("1");
         else
	    System.out.print("0");
    }

   public static void PrintBits(short x)
    {
      int i;

      for (i = 15; i >= 0; i--)
         if ( (x & (1 << i)) != 0 )
	    System.out.print("1");
         else
	    System.out.print("0");
    }

   public static void PrintBits(int x)
    {
      int i;

      for (i = 31; i >= 0; i--)
         if ( (x & (1 << i)) != 0 )
	    System.out.print("1");
         else
	    System.out.print("0");
    }

   public static void main(String[] arg) throws IOException
    {
      BufferedReader stdin = new BufferedReader
                               (new InputStreamReader(System.in));

      byte  b;
      short s;
      int   i;

      System.out.print ("Enter **byte** integer b: (try negative values too) ");
      b = (byte) Integer.parseInt(stdin.readLine());
      System.out.println ("... assigning byte b to short s and int i....\n");
      s = b;
      i = b;

      System.out.print("b = " + b + "\t 2's complement repr = "); 
      PrintBits(b);
      System.out.println();
      System.out.print("s = " + s + "\t 2's complement repr = "); 
      PrintBits(s);
      System.out.println();
      System.out.print("i = " + i + "\t 2's complement repr = "); 
      PrintBits(i);
      System.out.println();

      System.out.println("=============================================\n");

   }
}