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#include<fstream>
#define mdl 666013
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
struct Matrice {
int a[2][2];
};
Matrice Produs(Matrice A, Matrice B) {
Matrice C;
for (int i = 0; i < 2; ++i) {
for (int j = 0; j < 2; ++j) {
C.a[i][j] = 0;
for (int k = 0; k < 2; ++k) {
C.a[i][j] += A.a[i][k] * B.a[k][j];
C.a[i][j] %= mdl;
}
}
}
return C;
}
Matrice Putere(Matrice A, int n) {
if (n == 0) {
Matrice C;
C.a[0][0] = 1; C.a[0][1] = 0;
C.a[1][0] = 0; C.a[1][1] = 1;
return C;
}
else if (n == 1) return A;
else {
if (n % 2 == 0) {
return Putere(Produs(A, A), n / 2);
}
else return Produs(A, Putere(Produs(A, A), n / 2));
}
}
int main() {
Matrice A;
int a,k;
fin >> k;
A.a[0][0] = 0; A.a[0][1] = 1;
A.a[1][0] = 1; A.a[1][1] = 1;
Matrice Z = Putere(A, k-1);
fout << Z.a[1][1];
return 0;
}