#include <bits/stdc++.h>

using namespace std;
int fibonacci(int k)
{
    int x=1,y=1,nr;
    for (int i=3;i<=k;i++)
    {
        nr=(x+y)%666013;
        y=x;
        x=nr;

    }
    return nr;
}
int main()
{
    freopen("kfib.in","r",stdin);
    freopen("kfib.out","w",stdout);
    int k;
    scanf("%d",&k);
    printf("%d",fibonacci(k));
    return 0;
}