#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <cmath>
using namespace std;

int num1[] = { 3,2,2,2,3,2,3,2,4,3};
int num2[] = { 3,1,1,1,3,1,3,1,5,3 };

int main()
{
	string n;
	cin >> n;
	int ans1 = 1;
	int ans2 = 2;
	for (int i = 0; i < n.size(); i++) {
		ans1 += num1[n[i]-'0'];
		ans2 += num2[n[i] - '0'];
	}

	cout << min(ans1,ans2) << endl;

    return 0;
}