#include<fstream>
#define mod 666013
using namespace std;
int n,t1,t2,z,i;
int main()
{
	ifstream f("kfib.in");
	ofstream g("kfib.out");
	f>>n;
	n%=mod*2+2;
	t1=1;t2=1;
	for(i=3;i<=n;i++)
	{
		z=(t1+t2)%mod;
		t1=t2;
		t2=z;
	}
	g<<t2;
}