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

ifstream fin("kfib.in");
ofstream fout("kfib.out");

int main()
{
    int n;
    fin >> n;

    if (n == 1 || n == 2) {
        fout << 1;
        return 0;
    }

    int a = 1, b = 1, c;
    for (int i = 3; i <= n; i++) {
        c = (a + b) % MOD;
        a = b;
        b = c;
    }

    fout << b;
    return 0;
}