using namespace std;
#include<cstdio>
int n,i,sol[17];

void afis()
{
	int gasit=0;
	i=1;
	while(i<=n && !gasit) 
	{
		if(sol[i]) gasit=1;
		i++;
	}
	if(gasit)
	{
		for(i=1;i<=n;i++)
			if(sol[i]) printf("%d ",i);
		printf("\n");
	}
}
	

void back(int k)
{
	if(k==n+1) afis();
	else
	{
		sol[k]=1;
		back(k+1);
		sol[k]=0;
		back(k+1);
	}
}

int main()
{
	freopen("submultimi.in","r",stdin);
	freopen("submultimi.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}