#include <iostream>
#include <numeric>
#include <cmath>
#include <algorithm>
#include <vector>
using namespace std;
#define sp ' '
#define st first
#define nd second
#define pb push_back
#define mp make_pair
#define forn(YY, yy) for(long long int yy = 0; yy < YY; ++yy)
#define prn(XX) cout << XX << endl
#define prs(XX) cout << XX << " "
typedef long long int ll;
typedef unsigned long long int ull;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
const int MOD = 1e9 + 7;
const int INF = 2e9 + 13;
const int mINF = -2e9 - 13;
const double PI = 3.14159265358979;
const double EPS = 1e-9;
int main(int argc, char **argv){
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
ll N; cin >> N;
ll gk = 0;
for(int i = 1; i <= 500000; ++i){
gk += i;
if(gk >= N) break;
if((N-gk)%(i+1) == 0){
cout << (N-gk)/(i+1) << sp << (N-gk)/(i+1) + (i) << endl;
}
}
return 0;
}
//cikisir
