//********************************
//*????7???????   **
//*?????? 1300062706 **
//*???2013.10.10**
//********************************
int main()
{
	int n, i, s;
	s = 0;
	cin >> n;
	for (i=1;i<=n;i++)
	{
		if (i!=7&&i!=17&&i!=27&&i!=37&&i!=47&&i!=57&&i!=67&&i!=87&&i!=97&&i!=71&&i!=72&&i!=73&&i!=74&&i!=75&&i!=76&&i!=78&&i!=79&&i%7!=0)
			s = s+i*i;
	}
	cout << s << endl;
	return 0;
}