#include<fstream>
using namespace std;
unsigned long long int logput(unsigned long long int n, unsigned long long int p, unsigned long long int modul)
{
    unsigned long long int lgput = 1;
    unsigned long long int cur_power = 0;
    unsigned long long int squares = 1;
    unsigned long long int h = (n % modul);
    while(p != 0)
    {
        while(2 * cur_power + 1 <= p)
        {
            lgput = (lgput * h) % modul;
            cur_power = squares * 2 - 1;
            squares = squares * 2;
            h = ( h * h ) % modul;
        }
        p = p - cur_power;
        cur_power = 0;
        h = n;
        squares = 1;
    }
    return lgput;
}
int main()
{
    ifstream read("inversmodular.in");
    ofstream write("inversmodular.out");
    unsigned int a,n;
    read>>a>>n;
    write << logput(a,n-2,n);
}