program main
  implicit none
  character*12::N
  integer::i,sum
  integer::num(0:9)
  data num/3,2,2,2,3,2,3,2,4,3/,sum/1/
  read *,N
  do i=1, LEN_TRIM(N)
     sum = sum + num(ICHAR(N(i:i))-ICHAR('0'))
  end do
  print '(i0)', sum
end program main