#include <fstream>
using namespace std;

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

int A, N;

int lgput(int n, int p)
{
    if (p == 0)
        return 1;
    if (p % 2 == 1)
        return lgput(n, p - 1) * n % N;
    else
    {
        int prod = lgput(n, p / 2);
        return prod * prod % N;
    }
}

int main()
{
    fin >> A >> N;
    int x = lgput(A, N - 2);
    fout << x << "\n";
    return 0;
}