#include <fstream>

using namespace std;

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

int n, gen[10], viz[10];

void write()
{
	for (int i = 1; i <= n; i++)
		g << gen[i] << " ";
	g << "\n";
}

void back(int k)
{
	if (k == n + 1)
		write();

	for (int i = 1; i <= n; i++) {
		if (!viz[i]) {
			viz[i] = 1;
			gen[k] = i;

			back(k + 1);

			viz[i] = 0;
		}
	}
}

int main()
{
	f >> n;

	back(1);
	return 0;
}