program main
  implicit none
  character*12::N
  integer::i,sum,sum2
  integer::num(0:9)
  integer::num2(0:9)
  data num/3,2,2,2,3,2,3,2,4,3/,sum/1/
  data num2/3,1,1,1,3,1,3,1,4,3/,sum2/3/
  read *,N
  do i=1, LEN_TRIM(N)
     sum = sum + num(ICHAR(N(i:i))-ICHAR('0'))
     sum2 = sum2 + num2(ICHAR(N(i:i))-ICHAR('0'))
  end do
  print '(i0)', min(sum,sum2)
end program main