#include<fstream>
using namespace std;
int v[18];
int main()
{
	int n,i;
	ifstream fin("submultimi.in");
	fin>>n;
	fin.close();
	v[1]=1;
	ofstream fout("submultimi.out");
	while(v[n+1]==0)
	{
		for(i=1;i<=n;i++)
			if(v[i])
				fout<<i<<' ';
		fout<<"\n";
		i=1;
		while(v[i]==1)
		{
			v[i]=0;
			i++;
		}
		v[i]++;
	}
	fout.close();
	return 0;
}