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