#include <iostream>
#include <string>

int main() {
	int cnt[10] = { 1, 0, 0, 0, 1, 0, 1, 0, 2, 1 };

	std::string s;
	std::cin >> s;

	int ans = 1;
	for (char c : s) {
		ans += cnt[c - '0'] + 2;
	}

	std::cout << ans << std::endl;
}