(Program
  (Negate
  { (Integer)
  ->(Integer) })
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Negate
    (Integer))+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{+(Integer)+}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Negate
    (Integer))-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-}
{-(Integer)-})