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

long long a, n, sol, m ;

long long exp(long long x,long long p)
{
    if(p<0) return exp(1/x,-p);
    if(p==0) return 1;
    if(p==1) return x;
    if(p%2==0) return (exp((x*x)%n,p/2))%n;
    if(p%2) return (x%n*exp((x*x)%n,(p-1)/2))%n;
}
int phi(int x)
{
    int res = x;
    for(int i = 2; i * i <= x; ++i) {
        if(x % i == 0) {
            res = res / i * (i - 1);

            while(x % i == 0)
                x /= i;
        }
    }

    if(x != 1)
        res = res / x * (x - 1);

    return res;
}

int main()
{
    ifstream fin("inversmodular.in");
    ofstream fout("inversmodular.out");
    fin>>a>>n;
    long long  n;
    sol=phi(n);

    sol=exp(a,sol-1);
    fout << sol;
    return 0;
}