cx = {
  '0' => 1,
  '1' => 0,
  '2' => 0,
  '3' => 0,
  '4' => 1,
  '5' => 0,
  '6' => 1,
  '7' => 0,
  '8' => 2,
  '9' => 1
}
s = gets.chomp
p s.chars.map{|c|cx[c]}.inject(:+) + s.size * 2 + 1