#include<cstdio>
int st[17];
int n;

void back()
{
	int i;
	for (i=1;i<=st[0];++i)
		printf("%d ",st[i]);
	if (st[0])
		printf("\n");
	for (i=st[st[0]]+1;i<=n;++i)
	{
		st[++st[0]]=i;
		back();
		st[st[0]]=0;
		--st[0];
	}
}

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