#include<iostream>
#include<fstream>

using namespace std;
long long fib(long long f1,long long f2,long long k,long long start)
{
    //long long f3;
    if(start != k)
        return fib(f2,f1+f2%666013,k,start+1);
    return f1+f2;

}

ifstream f("kfib.in");
ofstream g("kfib.out");
int main()
{

    long long k;
f>>k;
    //cout<<"Sirul lui Fibonacii!\n";
    //cout<<"k=";cin>>k;
    g<<fib(0,1,k,3);
    return 0;
}