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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("kfib.in");
ofstream fout ("kfib.out");
#define MOD 666013
long long unsigned a[2][2] = {{0,1},{1,1}}, m[1][2] = {{1,1}},n,res[2][2], aux[2][2] = {{0,1},{1,1}};
void mul (long long unsigned a[2][2], long long unsigned b[2][2])
{
unsigned i,j,k;
long long unsigned c[2][2]={{0,0},{0,0}};
for(i=0;i<2;i++)
for(j=0;j<2;j++)
for(k=0;k<2;k++)
c[i][j]+=a[i][k]%MOD * b[k][j]%MOD;
for(i=0;i<2;i++)
for(j=0;j<2;j++)
a[i][j] = c[i][j];
}
long long unsigned better_power (long long unsigned F[2][2], long long unsigned p)
{
if(p==1)
{
return F[0][1]+F[1][1];
}
better_power(F, p/2);
mul(F,F);
if(p%2==1)
{
mul(F,aux);
}
return F[0][1]+F[1][1];
}
long long unsigned find_nth ()
{
fin>>n;
if(n==0)
return 0;
if(n==1 || n ==2)
return 1;
return better_power(a, n-2);
}
int main()
{
fout<<find_nth();
}