import java.util.Scanner;

public class ShowByteAdd
{
   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 main(String[] arg) 
   {
      Scanner stdin = new Scanner( System.in );

      byte a, b, c;

      while (true)
       { System.out.print ("\nEnter a: ");
         a = (byte) stdin.nextInt();
         System.out.print("a = " + a + " ===> 2's complement repr = "); 
         PrintBits(a);
         System.out.println("\n");

         System.out.print ("Enter b: ");
         b = (byte) stdin.nextInt();
         System.out.print("b = " + b + " ===> 2's complement repr = "); 
         PrintBits(b);
         System.out.println("\n");

         c = (byte) (a+b);

         System.out.println("a + b = " + c);
         System.out.print(  "      ===> 2's complement repr = "); 
         PrintBits(c);
         System.out.println("\n");

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

      }
   }
}