#include <stdio.h>

int
main ()
{
  int i, j;
  int n, n1, sum = 0, limit;





  while (1)
    {

      sum = 0;
      scanf ("%d%d", &n, &n1);

      if ((n <= 0) || (n1 <= 0))
    {
      break;
    }


      if (n > n1)
    {


      for (i = n1; i <= n; i = i + 1)
        {

          printf ("%d ", i);
          sum += i;



        }

    }


      else
    {
      for (i = n; i <= n1; i = i + 1)
        {

          printf ("%d ", i);
          sum += i;

        }

    }


      printf ("Sum=%d\n", sum);
    }





  return 0;
}