def scan; gets.split.map(&:to_i); end
    
line = gets.chomp
n = line.size

s={}
(0..9).each{|e|s[e.to_s]=0}

line.chars{|c| s[c]+=1 }

cnt = 0

cnt += n

cnt += 1

cnt += s["0"]+s["4"]+s["6"]+s["8"]*2+s["9"]

cnt += n

p cnt