diff %Integer (28 )*Symbol ('y' )%Integer (28 )*Symbol ('x' )%Integer (29 )%Float ('5E2' )%Integer (20 )-%
Integer (205 )*sin %Integer (28 )*Symbol ('x' )%Integer (29 )%Integer (2 )*Symbol ('C' )%Integer (20 )*Symbol ('x' )%Integer (29 )
106: invalid syntax (<string>, line 1)