#include<iostream>
#include<string>
#include<vector>
#include<unordered_map>

int main() {
    std::string P, N;
    std::cin >> P >> N;

    const std::vector<int> dig{6, 2, 5, 5, 4, 5, 6, 4, 7, 6};
    std::unordered_map<char, int> dig_str;
    for (int i = 0; i < dig.size(); i++) {
        const char c = (char) (i + '0');
        dig_str[c] = dig.at(i);
    }
    dig_str['-'] = 1;

    int MAX;
    if (N.size() >= 7) {
        MAX = 1e6;
    } else {
        MAX = std::stoi(N);
    }

    for (int i = 0; i < MAX; i++) {
        int new_P_int = 0;
        for (const auto p: P) new_P_int += dig_str.at(p);
        std::string new_P = std::to_string(new_P_int);
        if (P == new_P) break;
        P = new_P;
    }
    std::cout << P << std::endl;
}