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

int main(){
    int A, N, M;
    cin >> A >> N >> M;
    function<int(int, int, int)> rec = [&](int V, int N, int MOD){
        if(MOD == 1)return 0;
        if(N == 0)return 1;
        vector<int> order, used, tb(MOD, -1);
        int c = 0, tim = 0;
        long long val = 1;
        while(tb[val] == -1){
            tb[val] = tim++;
            order.push_back(val);
            used.push_back(c);
            val *= V;
            if(val >= MOD)c = 1;
            val %= MOD;
        }
        int EXP = rec(V, N - 1, (tim - tb[val]));
        if(EXP < tb[val])return order[EXP] + used[EXP] * MOD;
        int idx = (EXP - tb[val]) % (tim - tb[val]) + tb[val];
        return order[idx] + used[idx] * MOD;
    };
    cout << rec(A, N, M) % M << endl;
}