#!/usr/bin/python2
# -*- coding: utf-8 -*-
# †
#     0, 1, 2, 3, 4, 5, 6, 7, 8, 9
bs = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1]
s = raw_input()
# 数字の外, 数字の中, 数字そのもの
a, b, c = 1, 0, len(s)
for ch in s:
    b += bs[int(ch)]
res1 = a + b + 2 * c
res2 = 2 * (a + b) + c
mini = min(res1, res2)
print mini