#include <bits/stdc++.h>
// iostream is too mainstream
#include <cstdio>
// bitch please
#include <iostream>
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <list>
#include <cmath>
#include <iomanip>
#include <time.h>
#define dibs reserve
#define OVER9000 1234567890
#define ALL_THE(CAKE,LIE) for(auto LIE =CAKE.begin(); LIE != CAKE.end(); LIE++)
#define tisic 47
#define soclose 1e-8
#define chocolate win
// so much chocolate
#define patkan 9
#define ff first
#define ss second
#define abs(x) ((x < 0)?-(x):x)
#define uint unsigned int
#define dbl long double
#define pi 3.14159265358979323846
using namespace std;
// mylittledoge
#ifdef DONLINE_JUDGE
// palindromic tree is better than splay tree!
#define lld I64d
#endif
int main() {
cin.sync_with_stdio(0);
cin.tie(0);
cout << fixed << setprecision(10);
long long N;
cin >> N;
for(int i =1; i <= 200000; i++) if((2*N)%i == 0) {
long long x =2*N/i+1-i;
if(i > 1 && x > 0 && x%2 == 0) cout << x/2 << " " << x/2+i-1 << "\n";
if(1LL*i*i >= 2*N) break;
x =i+1-(2*N)/i;
if(2*N/i > 1 && x > 0 && x%2 == 0) cout << x/2 << " " << x/2+(2*N)/i-1 << "\n";
}
}
// look at my code
// my code is amazing
