#include<fstream>
using namespace std;
int a[10001];
int main()
{
	int i,n,ok = 0;
	ifstream fin("submultimi.in");
	ofstream fout("submultimi.out");
	fin>>n;
	fin.close();
	for(i=1;i<=n;i++)
		a[i]=0;
	while(a[0]==0)
	{
		for(i=1;i<=n;i++)
			if(a[i]==1)
				fout<<i<<" ";
        if(ok)
            fout<<"\n";
		ok = 1;
		//trec la urmatoarea submultime
		i=n;
		while(a[i]==1)
		{
			a[i]=0;
			i--;
		}
		a[i]=1;
	}
	fout.close();
	return 0;
}