#include <iostream>
#include <fstream>

std::ifstream f("inversmodular.in");
std::ofstream g("inversmodular.out");

using namespace std;


long long n;

long long my_pow(long long a,long long b)
{
    long long r=1;
    while(b)
    {
        if(b%2) {r=(a%n)*(r%n); r%=n;}
        a*=a;
        a%=n;
        b/=2;
    }
    return r;
}

int main()
{
    long long a;
    f>>a>>n;
    g<<my_pow(a,n-2);

    return 0;
}