#include <cstdio>
int n;
int main()
{
    freopen ("numar.in","r",stdin);
    freopen ("numar.out","w",stdout);
    scanf("%d",&n);
    int temp=2*n;
    for(long long nr=2;nr<=temp;nr++)
    {
            long long x=nr*(nr-1)/2;
            if((n+x)%nr==0) 
            {
                            long long first=(n+x)/nr-nr+1;
                            printf("%lld %lld\n",first,nr);
            } 
    }
}