#include <fstream>
#define nmax 100000000


using namespace std;

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

unsigned long long fib[nmax];
long long n;

void solve ()
{
    fib[1]=1;
    fib[2]=1;
    for (int i=3; i<=n; i++)
    {
        fib[i]=fib[i-2]+fib[i-1];
    }
    g<<fib[n]%666013;
}

int main ()
{
    f>>n;
    solve();
    f.close();g.close();
    return 0;
}