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

#define int long long

int yaku[2000010];
int f(int x){
	return x - yaku[x];
}

signed main(){
	int x;
	cin >> x;

	for(int i = 1;i <= x;i++){
		for(int j = i;j <= x;j+=i){
			yaku[j]++;
		}
	}

	vector<pair<int, int>> ans;
	int anum = INT_MAX;
	for(int i = 1;i < x;i++){
		int a = i;
		int b = x-a;
		int score = abs(f(a)-f(b));
		if(score < anum){
			ans.clear();
			anum = score;
		}
		if(score == anum){
			ans.push_back({a, b});
		}
	}

	for(auto e : ans){
		cout << e.first << " " << e.second << endl;
	}

	return 0;
}