int
calc (int lhs,
      int rhs)
{
  int local1 = 1 + lhs;
  int local2 = rhs - 2;

  return local1 * local2;
}

int
main (int argc,
      char **argv)
{
  int a = 5;
  int b = 6;
  int r = calc (a, b);

  return 0;
}