#include <stdio.h>
#include <stdlib.h>

int main()
{
    FILE *fin,*fout;
    fin=fopen("kfib.in","r");
    fout=fopen("kfib.out","w");
    long long k,i,a,x,b,c;
    fscanf(fin,"%lld",&k);
    a=0;
    b=1;
    c=a+b;
    if(i==0)
        c=0;
    else
        c=1;
    for(i=2;i<k;i++)
    {
        a=b;
        b=c;
        c=a+b;
    }
    x=c%666013;
    fprintf(fout,"%lld",x);
    fclose(fin);
    fclose(fout);
    return 0;
}