#include <iostream>
#include <string>

void solve() {
    int n, k;
    {
        std::string ns;
        std::cin >> ns;

        n = 0;
        for (char c : ns) {
            n = (n * 10 + (c - '0')) % 6;
        }

        std::string ks;
        std::cin >> ks;

        k = 0;
        for (char c : ks) {
            k = (k * 10 + (c - '0')) % 6;
        }
        if (k == 0) k = 6;
    }

    int ans = 1;
    while (k--) (ans *= n) %= 6;

    std::cout << "428571"[ans] << "\n";
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}