main (int argc, char **argv)
{
int num1, num2, total;
 if (argc > 0)
  printf ("%s\n", argv[0]);
 if (--argc > 0)
  printf ("%s\n", argv[1]);
 if (--argc > 0)
  printf ("%s\n", argv[2]);
  num1 = atoi (argv[1]);
  num2 = atoi (argv[2]);
 printf("%d plus %d equals %d\n", num1, num2, (total = num1 + num2));
}