import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    static int[] exchange = new int[]{6, 2, 5, 5, 4, 5, 6, 4, 7, 6};
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        char[] inputs = sc.next().toCharArray();
        String n = sc.next();
        if (n.length() <= 2) {
            int count = Integer.parseInt(n);
            if (count == 0) {
                System.out.println(inputs);
            } else {
                int current = func(inputs);
                for (int i = 1; i < count; i++) {
                    current = func(String.valueOf(current).toCharArray());
                }
                System.out.println(current);
            }
        } else {
            int current = func(inputs);
            while (current != 4 && current != 6) {
                current = func(String.valueOf(current).toCharArray());
            }
            System.out.println(current);
        }
    }
    
    static int func(char[] arr) {
        int ans = 0;
        for (char c : arr) {
            if (c == '-') {
                ans++;
            } else {
                ans += exchange[c - '0'];
            }
        }
        return ans;
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}