#include<fstream>
using namespace std;
#define ll long long

ifstream cin("inversmodular.in");
ofstream cout("inversmodular.out");

ll getFi(ll a) {
	ll curr = a;
	ll i = 2;

	for (; i * i <= a; i++) {
		if (a % i == 0) {
			while (a % i == 0) { a /= i; }
			curr = (curr / i) * (i - 1);
		}
	}
	if (a != 1) {
		curr = (curr / a) * (a - 1);
	}
	return curr;
}


ll pow(ll n, ll m,ll mod) {
	ll res = 1;
	while (m > 0) {
		if (m % 2) {
			res = (res * n) % mod;
			m--;
		}
		else {
			n = (n * n) % mod;
			m /= 2;
		}
	}
	return res;
}

int main() {
	
	ll i, a, m, res;
	cin >> a >> m;

	ll fi = getFi(m)-1;

	i = 1;
	cout << pow(a, fi, m);

	return 0;
}