#include "bits/stdc++.h" #define rep(a,b) for(int a = 0;a < b;a++) #define REP(i, x, n) for(int i = x; i < n; i++) #define P(a) cout << a << endl using namespace std; typedef long long ll; typedef unsigned long long ull; int dx[] = { 1, -1 , 0 , 0 }; int dy[] = { 0, 0, 1, -1 }; unsigned long long str_to_int(std::string str) { unsigned long long ret; std::stringstream ss; ss << str; ss >> ret; return ret; } int main() { string s; cin >> s; int ans1 = s.length(); int ans2 = 0; rep(i, s.length()) { if (s[i] == '0' or s[i] == '4' or s[i] == '6' or s[i] == '9') { ans1 += 1; } else if (s[i] == '8') { ans1 += 2; } } ans1 += 1 + s.length(); ans2++; rep(i, s.length()) { if (s[i] == '0' or s[i] == '4' or s[i] == '6' or s[i] == '9') { ans2 += 1; } else if (s[i] == '8') { ans2 += 2; } } ans2 += 1 + s.length(); rep(i, s.length()) { if (s[i] == '0' or s[i] == '4' or s[i] == '6' or s[i] == '9') { ans2 += 1; } else if (s[i] == '8') { ans2 += 2; } } P(min(ans1, ans2)); }