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

ifstream cin("fibo.in");
ofstream cout("fibo.out");
int main()
{
    long long n;
    cin>>n;
    long long a, b, c;
    a=b=1;
    c=2;
    for(int i = 3 ; i <= n ;++i)
    {
        c=(a+b)%mod;
        a=b;
        b=c;
    }
    cout<<c<<" ";
    cin.close();
    cout.close();
    return 0;
}