#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "math.h"
#include "utility"
#include "string"
#include "map"
#include "unordered_map"
#include "iomanip"
#include "random"

using namespace std;
const long long int MOD = 1000000007;

int N, K;
int num[10] = { 1,1,1,1,1,1,1,1,1,1 };
int box[10] = { 1,0,0,0,1,0,1,0,2,1 };
int a = 1;
int b = 0;

int main() {
	ios::sync_with_stdio(false);
	cin >> N;
	if (!N) {
		a += 1;
		b += 1;
	}
	while (N) {
		a += box[N % 10];
		b += num[N % 10];
		N /= 10;
	}
	cout << min(a * 2 + b, b * 2 + a) << endl;
	return 0;
}