#include "bits/stdc++.h" using namespace std; #define ll long long int #define rep(i,n) for( int i = 0; i < n; i++ ) #define rrep(i,n) for( int i = n; i >= 0; i-- ) #define REP(i,s,t) for( int i = s; i <= t; i++ ) #define RREP(i,s,t) for( int i = s; i >= t; i-- ) #define dump(x) cerr << #x << " = " << (x) << endl; #define INF 2000000000 #define mod 1000000007 #define INF2 1000000000000000000 int circle[10] = { 1, 0, 0, 0, 1, 0, 1, 0, 2, 1 }; int main(void) { cin.tie(0); ios::sync_with_stdio(false); string S; cin >> S; int ans1 = 1 + 2 * S.size(); int c = 0; rep(i, S.size()) { c += circle[S[i] - '0']; } ans1 += c; int ans2 = 2 + S.size() + c * 2; cout << min(ans1, ans2)<< endl; return 0; }