#include <iostream>
#include <fstream>
using namespace std;

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

long long M;

long long Exp(long long n, long long p)
{
    if( p == 0)
        return 1;
    if(p % 2 == 0)
    {
        long long P = Exp(n,p/2) % (M);
        return P*P%(M);
    }
    else
    {
        long long P = Exp(n,p/2) % (M);
        return (P*P%(M))*n%(M);
    }
}

int main()
{
    long long n,p;
    fin>>n>>p;
    M = p;
    fout<<Exp(n,p-2) % M;
    return 0;
}