program yukicoder_400
  use, intrinsic :: iso_fortran_env
  implicit none
  integer(int32), parameter :: max_len = 20
  character(len=max_len) :: s
  character(len=:), allocatable :: ans
  integer(int32) :: n
  integer(int32) :: i, j
  read(input_unit, *) s
  n = len_trim(s)
  allocate(character(len=n) :: ans)
  do i = n, 1, -1
     j = n - i + 1
     select case(s(i:i))
     case("<"); ans(j:j) = ">"
     case(">"); ans(j:j) = "<"
     end select
  end do
  write(output_unit, '(a)') ans
end program yukicoder_400