#include <fstream>

int v[20];
int i,n;

using namespace std;

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