#include "bits/stdc++.h"
using namespace std;

int dfs(int A, int N, int M, int minus){
	if (M <= 1) return 0;
	if (N == 1)
	{
		return A % M;
	}
	vector<int> v;
	if (A % M == 0) return 0;
	long long temp = 1;
	map<int, int> m;
	do{
		m[temp] = v.size() + 1;
		v.push_back((int)temp);
		temp *= A;
		temp %= M;
		if (temp == 0) return 0;
	} while (m[temp] == 0);
	int loop = v.size() - (m[temp] - 1);
	int nextminus = (int)v.size() - loop;

	int r = dfs(A, N - 1, v.size(), nextminus);
	if (r < nextminus) r += loop;
	return v[r];
}

int main() {
	int A, N, M;
	cin >> A >> N >> M;
	
	cout << dfs(A, N, M, 0) << endl;
}