import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	int[] counts = new int[]{3, 2, 2, 2, 3, 2, 3, 2, 4, 3};
    	char[] arr = sc.next().toCharArray();
    	int sum = 0;
    	for (char c : arr) {
    	    sum += counts[c - '0'];
    	}
    	System.out.println(sum + 1);
    }
}