#include<cstdio>
#define MOD 666013
using namespace std;
int k,a=0,b=1,c;
int main()
{
	freopen("kfib.in", "r", stdin);
	freopen("kfib.out", "w", stdout);
	scanf("%d", &k);
	k=k%(2*(MOD + 1));
	while(k>0)
	{
		c=(a+b)%MOD;
		a=b;
		b=c;
		--k;
	}
	printf("%d", a); 
}