#include <cstdio>
#include <iostream>
//#include <cstdlib>
//#include <windows.h>
//#include <Windowsx.h>
//#include <process.h>
//#include <winnt.h>
//#include <stddef.h>
//#include <fstream>
//#include <cmath>
//#include <iomanip>
//#include <cstring>
using namespace std;
int main(){
	int n , sum=0;
	cin >> n;
	for(int i=1;i <= n-1;i++){
		for(int j=1;j <= n;j++){
			if(i >= j){
				continue;
			}
			for(int k=i;k <= j;k++){
				sum += k;
			}
			if(sum == n){
				printf("%d %d\n",i,j);
			}
			sum = 0;
		}
	}
	return 0;
}