#include <bits/stdc++.h>
#define newline '\n'
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
///***********************
const int MOD = 666013;
int k;
int fc, f0 = 0, f1 = 1;

int main()
{
    fin >> k;
    for (int i = 2; i <= k; i++)
    {
        fc = (1ULL * f0 + f1) % MOD;
        f0 = f1;
        f1 = fc;
    }
    fout << fc;
    return 0;
}