#include <fstream>
using namespace std;

ifstream in ("permutari.in");
ofstream out("permutari.out");

int v[9],n;
bool use[9];

void scrie()
{
	for (int i=1;i<=n;i++)
		out<<v[i]<<" ";
	out<<"\n";
}

void bkt(int p)
{
	if (p==n+1)
	{
		scrie();
		return;
	}
	for (int i=1;i<=n;i++)
		if (!use[i])
		{
			v[p]=i;
			use[i]=true;
			bkt(p+1);
			use[i]=false;
		}
}

int main()
{
	in>>n;
	bkt(1);
	return 0;
}