import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        long value = 0;
        for (char c : sc.next().toCharArray()) {
            if (c == '-') {
                value++;
            } else {
                value += function(c - '0');
            }
        }
        String n = sc.next();
        int time = 6;
        if (n.length() == 1 && Integer.parseInt(n) < 6) {
            time = Integer.parseInt(n);
        }
        for (int i = 1; i < time; i++) {
            value = function(value);
        }
        System.out.println(value);
    }
    
    static int[] CONST = new int[]{6, 2, 5, 5, 4, 5, 6, 4, 7, 6};
    
    static int function(long x) {
        if (x < 10) {
            return CONST[(int)x];
        }
        int ans = 0;
        if (x > 0) {
            ans += CONST[(int)(x % 10)];
            x /= 10;
        }
        return ans;
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}