#include <stdio.h>
FILE *in,*out;
using namespace std;
int n,a=1,b=1,c;
int main ()
{
    in=fopen("kfib.in","rt");
    out=fopen("kfib.out","wt");
    fscanf(in,"%d",&n);
    n=n%(666013*2+2);
    for (int i=3; i<=n; i++)
    {
        c=(a+b)%666013;
        a=b;
        b=c;
    }
    fprintf(out,"%d",b);
    fclose(in);
    fclose(out);
    return 0;
}