#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <cassert>
#include <fstream>
#include <utility>
#include <functional>
#include <time.h>
#include <stack>
#include <array>
#include <list>
#include <atcoder/all>
#define popcount __builtin_popcount
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<int, int> P;

int main()
{
    string p; cin>>p;
    bool neg=0;
    if(p[0]=='0'){
        p=p.substr(1);
        neg=1;
    }
    ll n; cin>>n;
    if(n==0){
        cout<<p<<endl;
        return 0;
    }
    int f[10]={6,2,5,5,4,5,6,4,7,6};
    ll v=-1;
    for(int i=0; i<min(100ll, n); i++){
        ll s=0;
        if(i==0){
            for(int j=0; j<p.size(); j++){
                s+=f[p[j]-'0'];
            }
            if(neg) s++;
        }else{
            while(v){
                s+=f[v%10];
                v/=10;
            }
        }
        v=s;
    }
    cout<<v<<endl;
    return 0;
}