#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i,n)for (int i = 0; i < int(n); ++i)
#define rrep(i,n)for (int i = int(n)-1; i >= 0; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
template<class T> void chmax(T& a, const T& b) {a = max(a, b);}
template<class T> void chmin(T& a, const T& b) {a = min(a, b);}
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

int F[10] = {6, 2, 5, 5, 4, 5, 6, 4, 7, 6};

int f(int p) {
    int np = 0;
    while(p) {
        np += F[p % 10];
        p /= 10;
    }
    return np;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    string p_str, n_str;
    cin >> p_str >> n_str;
    if (n_str == "0") {
        cout << p_str << '\n';
        return 0;
    }
    int p = 0;
    {
        int i = 0;
        if (p_str[i] == '-') p++, i++;
        int psz = p_str.size();
        for(; i < psz; i++) {
            p += F[p_str[i] - '0'];
        }
    }
    if (n_str.size() <= 2) {
        int n = stoi(n_str) - 1;
        rep(_, n) p = f(p);
        cout << p << '\n';
        return 0;
    }
    int cur = 1;
    while(p >= 10) p = f(p), cur++;
    bool visited[10] = {};
    int loop_len = 0;
    int nxt = p;
    while(!visited[nxt]) {
        loop_len++;
        visited[nxt] = true;
        nxt = F[nxt];
    }
    int n = 0;
    for(char x: n_str) {
        n = (n * 10 + x - '0') % loop_len;
    }
    n = ((n - cur) % loop_len + loop_len) % loop_len;
    rep(_, n) p = F[p];
    cout << p << '\n';
}