#include <bits/stdc++.h>
using namespace std;
int gcd(int a, int b){
  if (b == 0){
    return a;
  } else {
    return gcd(b, a % b);
  }
}
int main(){
  int T;
  cin >> T;
  int N, C;
  cin >> N >> C;
  int ans = 0;
  for (int i = 0; i < N; i++){
    int p = gcd(N, i);
    ans += 1 << (p * 2);
  }
  ans += (1 << N) * N;
  ans /= N * 2;
  cout << ans << endl;
}