#include <iostream>
#include <vector>
#include <utility>
using namespace std;
const int INF = 10000000;
int main(){
	int X;
	cin >> X;
	vector<int> d(X, 0);
	for (int i = 1; i < X; i++){
		for (int j = i; j < X; j += i){
			d[j]++;
		}
	}
	vector<int> f(X);
	for (int i = 1; i < X; i++){
		f[i] = i - d[i];
	}
	vector<pair<int, int>> ans;
	int mn = INF;
	for (int i = 1; i < X; i++){
		int d = abs(f[i] - f[X - i]);
		if (mn > d){
			ans.clear();
			mn = d;
		}
		if (mn == d){
			ans.push_back(make_pair(i, X - i));
		}
	}
	int sz = ans.size();
	for (int i = 0; i < sz; i++){
		cout << ans[i].first << ' ' << ans[i].second << endl;
	}
}