#include <fstream>
#define mod 666013
using namespace std;

ifstream cin("kfib.in");
ofstream cout("kfib.out");
int n, a, b, c;
int main()
{

    cin>>n;
    a=b=1;
    for(int i = 3 ; i <= n ;++i)
    {
        c=(a+b)%mod;
        a=b;
        b=c;
    }
    cout<<b<<'\n';
    cin.close();
    cout.close();
    return 0;
}