#include <cstdio>
#define MAXN 1000000
#define mod 666013

using namespace std;

int N, F[MAXN], i;

int main() {
	freopen("kfib.in", "r", stdin);
	freopen("kfib.ok", "w", stdout);

	scanf("%d", &N);

	F[1] = F[2] = 1;
	for (i = 3; i <= N; i++)
		F[i] = (F[i - 1] + F[i - 2]) % mod;

	printf("%d\n", F[N]);

	return 0;
}