/*
sirul lui fibonacci infoarena
*/
#include<vector>
#include<string>
#include<string.h>
#include<algorithm>
#include<cstdio>
#include<fstream>
#include<iostream>
#include<ctime>
#include<set>
#include<map>
#include<cmath>

using namespace std;

#define LL long long
#define PII pair<int ,int>
#define PCI pair<char ,int>
#define VB vector <bool>
#define VI vector <int>
#define VC vector <char>
#define WI vector<VI>
#define WC vector<VC>
#define RS resize
#define X first
#define Y second

#define FORN(i,n) for(int i=0;i<n;++i)
#define FOR(i,a,b) for(LL i=a;i<=b;++i)
#define FORD(i,a,b) for(int i=a;i>=b;--i)
#define REPEAT do
#define UNTIL(x) while((x))

#define IN_FILE "kfib.in"
#define OUT_FILE "kfib.out"
ifstream f(IN_FILE);
ofstream g(OUT_FILE);

//variables
LL n;
pair<LL ,LL > last;
//other functions
void reading()
{
	f >> n;
	f.close();
}
void solving()
{
	last.X = 1;
	last.Y = 1;
	LL aux;
	FOR(i, 2, n-1)
	{
		aux = last.X + last.Y;
		aux %= 666013;
		last.X = last.Y;
		last.Y = aux;
	}
	g << aux;
}
void write_data()
{
}
int main()
{
	reading();
	solving();
	write_data();
}