#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
	int a;
	cin >> a;
	int ans1 = 0;
	for(int i = 1;i <= a / 2;i++)
	{
		ans1 = 0;
		for(int j = i + 1;j <= a;j++)
		{
			ans1 += j;
			if(ans1 >= a)
			{
				break;
			}
		}
		if(ans1 == a) 
		{
			cout << i << " " << j << endl;
		}
	}
	return 0;
}