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

int num[] = { 3,1,1,1,3,1,3,1,5,3};

int main()
{
	string n;
	cin >> n;
	int ans = 2;
	for (int i = 0; i < n.size(); i++) {
		ans += num[n[i]-'0'];
	}

	cout << ans << endl;

    return 0;
}