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#include <iostream>
#include <fstream>
#define MOD 666013
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
int mat[2][2]= {{0,1},{1,1}};
void patrat()
{
int auxa=mat[0][0],auxc=mat[1][0];
mat[0][0]=mat[0][1]%MOD;
mat[1][0]=mat[1][1]%MOD;
mat[0][1]=(mat[0][1]+auxa)%MOD;
mat[1][1]=(mat[1][1]+auxc)%MOD;
}
int main()
{
int n;
fin>>n;
for(int i=1;i<n;i++){
patrat();
}
fout<<mat[1][0]<<'\n';
return 0;
}