#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,k;
int i=1,j=2;
cin>>n;
while(i<=n/2)
{
k=(i+j)*(j-i+1)/2;
if(k>n)i++;
else if(k<n)j++;
else if(k==n)
{
cout<<i<<" "<<j<<endl;
i++;
j++;
}
}
}