program main
  implicit none
  type point
     integer::x,y
  end type point
  integer::a,b,c
  integer::i,dx,dy
  type(point)::p(4)

  read *,p(1:3)
  do i=1,3
     a = MOD(i,3)  +1
     b = MOD(i+1,3)+1
     c = MOD(i+2,3)+1
     dx = p(b)%x-p(a)%x
     dy = p(b)%y-p(a)%y

     if((p(a)%x-dy.eq.p(c)%x .and.p(a)%y+dx.eq.p(c)%y) .or. &
        (p(a)%x+dy.eq.p(c)%x .and. p(a)%y-dx.eq.p(c)%y)) then
        print '(i0," ",i0)', p(b)%x+p(c)%x-p(a)%x, p(b)%y+p(c)%y-p(a)%y
        return
     end if
  end do
  print '(a)', "-1"
end program main