#include "stdafx.h"

struct fa{
	int adat, bal, jobb;
};

int szabad_hely = 0;
fa F[];

int FaEpit(int a, int b) {
	int k = a + b / 2;
	F[szabad_hely].adat = k
		F[szabad_hely].bal = FaEpit(a, k - 1)
		F[szabad_hely].jobb = FaEpit(k + 1, b)
		szabad_hely++;
	if (a == b){
		return 0;
	}
	else{

	}
}

int _tmain(int argc, _TCHAR* argv[]){
	int c;
	F = new fa[11];
	cin >> c;
	FaEpit(0, c);
	cout << endl;
	return 0;
}