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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("kfib.in");
ofstream fout ("kfib.out");
const int mod = 666013;
void inmultire_matrice (long long mat[2][2], long long a[2][2])
{
int aux[2][2] = {0};
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
aux[i][j] += (mat[i][k] % mod * a[k][j] % mod) % mod;
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
mat[i][j] = aux[i][j] % mod;
}
}
int main()
{
long long mat[2][2] = {{1, 0}, {0 ,1}}, a[2][2]= {{0, 1}, {1, 1}}, n, i, j;
fin >> n;
if (n == 0)
cout << 0;
if (n == 1)
cout << 1;
else
{
int b = n - 1;
while (b)
{
if (b % 2 == 1)
inmultire_matrice (mat, a);
inmultire_matrice (a, a);
b /= 2;
}
fout << mat[1][1];
}
return 0;
}