n = gets.chomp
tot = 2
tot2 = 1
qq  = [3,1,1,1,3,1,3,1,4,3]
qq2 = [3,2,2,2,3,2,3,2,4,3]
all1 = true
for c in n.split('')
  tot += qq[c.ord - 48]
  all1 &= qq[c.ord - 48] == 1
  tot2 += qq2[c.ord - 48]
end
if all1
  tot2 = [tot2, n.size + 2].min
end
puts tot2