#include <fstream>
#define MOD 666013
using namespace std;
ifstream f("kfib.in");
ofstream g("kfib.out");
long long a,b,s,k,i;
int main()
{
    f>>k;
    a=0;
    b=1;
    for (i=1;i<k;i++)
    {
        s=a+b;
        a=b;
        b=s%MOD;
    }
    g<<s;
    return 0;
}