#include <iostream>
using namespace std;
//Author: Daniel "3ICE" Berezvai

struct fa{
	int adat,bal,jobb;
}

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 szabad_hely=0;
fa[] F = new fa[11];
int main() {
	int c;
	cin >> c;
	FaEpit(0, c);
	cout << endl;
	return 0;
}