int     *finish_it(char *rst, char *nb, int len)
{
  int i;

  i = len;
  while (i >=  0)
    {
      rst[i + 1] = nb[i];
      i--;
    }
  i = my_strlen(nb);
  while (i >= 0)
    {
      if (rst[i + 1] > 57)
        {
          rst[i + 1] = rst[i + 1] - 10;
          rst[i] = rst[i] + 1;
        }
      i--;
    }
  if (rst[0] < 47 || rst[0] > 58)
    rst[0] = '0';
  return (rst);
}


char    *add(char *nb, char *nb2, int len, int len2)
{
  char  *rst;
  int   i;

  i = 0;
  rst = malloc(sizeof(char) * (len + 2));
  while (i != len + 1)
    {
      rst[i] = '0';
      i++;
    }
  while (len2 >= 0)
    {
      len2--;
      len--;
      rst[len + 1] = 48 + (nb[len] - 48) + (nb2[len2] - 48);
    }
  rst = finish_it(rst, nb, len);
  return (rst);
}

int     main(int ac, char **av)
{
  char *rst;
  int   nb;
  int   nb2;

  if (error(ac, av) == 84)
    return (84);
  nb = my_strlen(av[1]);
  nb2 = my_strlen(av[2]);
  if (nb >= nb2)
    rst = add(av[1], av[2], nb, nb2);
  else
    rst = add(av[2], av[1], nb2, nb);
  my_putstr(rst);
  my_putchar('\n');
  return (0);
}