long plus
(long x, long y)
{
    return x+y;
}

long arith
(long x, long y, long z)
{
  long t1 = x+y;
  long t2 = z+t1;
  long t3 = x+4;
  long t4 = y * 48;
  long t5 = t3 + t4;
  long rval = t2 * t5;
  return rval;
}

long m12(long x)
{
    return 12*x;
}

long scale
(long x, long y, long z)
{
  return
    x+ 8*y + 4;
}