#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
	int cnt[] = {3,1,1,1,3,1,3,1,5,3};
	string s;
	cin >> s;
	int ans = 2;
	for (char c : s) {
		ans += cnt[c - '0'];
	}
	cout << ans << endl;
	return 0;
}