import java.util.*;

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