#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,i,j;
int main()
{
	f>>n;
	for(i=1;i<(1<<n);i++)
    {
		for(j=0;j<n;j++)
		if(i&(1<<j)) g<<j+1<<" ";
		g<<'\n';
	}
 return 0;
}