#include <fstream>

using namespace std;

ifstream in ("inversmodular.in");
ofstream out ("inversmodular.out");

int main()
{
    int a, n, p = 1, i;
    in >> a >> n;
    for (i = 1; i <= n - 2; i++)
    {
        p *= a;
        p = p % 7;
    }
    out << p;
    return 0;
}