SumaGauss2

#include <fstream>
using namespace std;
ifstream f("sumagauss2.in");
ofstream g("sumagauss2.out");

int main()
{
    long long s,n,m;
    f>>s;
    s*=2;
    for(long long d=1;d*d<s;++d)
        if(s%d==0)
        {
            n=(s/d+d-1)/2,m=n-d;
            if((n-m)*(m+n+1)==s)
                g<<n<<' '<<n-d<<'\n';
        }
    return 0;
}