#include <fstream>

using namespace std;

const int MOD = 666013;

void produs(int p[2][2], int a[2][2])
{
    int aux[2][2];
    for (int i = 0; i < 2; i++)
    {
        for (int j = 0; j < 2; j++)
        {
            aux[i][j] = 0;
            for (int k = 0; k < 2; k++)
            {
                aux[i][j] = (aux[i][j] + (long long)p[i][k] * a[k][j]) % MOD;
            }
        }
    }
    for (int i = 0; i < 2; i++)
    {
        for (int j = 0; j < 2; j++)
        {
            p[i][j] = aux[i][j];
        }
    }
}

void putere(int p[2][2], int a[2][2], int n)
{
    p[0][0] = p[1][1] = 1;
    p[0][1] = p[1][0] = 0;
    while (n != 0)
    {
        int cifb = n % 2;
        if (cifb != 0)
        {
            produs(p, a);
        }
        produs(a, a);
        n /= 2;
    }
}

int main()
{
    ifstream in("kfib.in");
    ofstream out("kfib.out");
    int n;
    in >> n;
    int a[2][2] = {{1, 1}, {1, 0}};
    int p[2][2];
    putere(p, a, n - 1);
    out << p[0][0];
    in.close();
    out.close();
    return 0;
}