#include <stdio.h>
#include <vector>
#include <algorithm>
#include <unordered_map>
#include <set>
#include <iostream>

int main() {
	int n; scanf("%d", &n);

    // pre
    std::vector<int> prime, mip(2e6 + 1); mip[0] = mip[1] = -1;
    for(int i = 2; i < mip.size(); i++) {
        if(mip[i] == 0) {
            mip[i] = i;
            prime.push_back(i);
        }
        
        for(int j = 0; j < prime.size() and prime[j] <= mip[i] and i * prime[j] <= mip.size(); j++) {
            mip[i * prime[j]] = prime[j];
        }
    }

    auto pfact = [&](int x) {
        std::vector<std::pair<int, int>> vec;
        while(x > 1) {
            if(vec.empty() or vec.back().first != mip[x]) {
                vec.push_back({mip[x], 1});
            } else {
                vec.back().second++;
            }
            x /= mip[x];
        }
        return vec;
    };

	int ans = 1 << 30;
	std::vector<std::pair<int, int>> vec;
    for(int A = 1; A < n; A++) {
		int B = n - A;
		
		auto X = pfact(A);
		auto Y = pfact(B);
		
		int x = 1, y = 1;
		for(auto v: X) x *= v.second + 1;
		for(auto v: Y) y *= v.second + 1;

		int tmp = std::abs((A - x) - (B - y));		
		if(ans > tmp) {
			ans = tmp;
			vec.clear();
		}
		
		if(ans == tmp) vec.push_back({A, B});
	}
	
	for(auto v: vec) printf("%d %d\n", v.first, v.second);
    return 0;
}