#include<stdio.h>
#include<vector>
using namespace std;
long n,nr=1;
vector <int> v;
int main()
{
    freopen("kfib.in","r",stdin);
    freopen("kfib.out","w",stdout);
    v.push_back(0);
    v.push_back(1);
 	scanf("%ld",&n);
    while(!((v[nr]+v[nr-1])%666013==0 &&v[nr]==666012))
        v.push_back((v[++nr-1]+v[nr-2])%666013);
	printf("%ld",v[(long)n%nr]);
    return 0;
}