#include <fstream>


using namespace std;

int N, j, V[20];

int main() {
	ifstream f("submultimi.in");
	ofstream g("submultimi.out");
	
	f>>N;
	
	while (V[0] == 0) {
		j=N;
		while (V[j] == 1) {
			V[j] = 0;
			j--;
		}
		V[j] = 1;
		
		if (V[0] == 1)
			break;
		
		for (j=1;j<=N;j++)
			if (V[j] == 1)
				g<<j<<" ";
		g<<"\n";
		
	}
	
	return 0;
}