#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] = { 3,1,1,1,3,1,3,1,5,3};
int ans = 2;

int main() {
	ios::sync_with_stdio(false);
	cin >> N;
	while (N) {
		ans += num[N % 10];
		N /= 10;
	}
	cout << ans << endl;
	return 0;
}