#include<cstdio>
using namespace std;
int k,i,a[10000001];
int main()
{
    freopen("kfib.in","r",stdin);
    freopen("kfib.out","w",stdout);
    scanf("%d",&k);
    a[1]=a[2]=1;
    for(i=3;i<=k;++i)
    {
        a[i]=(a[i-1]+a[i-2])%666013;
    }
    printf("%d\n",a[k]);
    return 0;
}