#include <fstream>
using namespace std;

int n, x[11];

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

void afisare(int x[11])
{
	for(int i = 1; i <= n; ++i)
		g << x[i] << " ";
	g << '\n';
}

int valid(int k)
{
	for(int i = 1; i < k; ++i)
		if(x[i] == x[k])return 0;
	return 1;
}

void back(int k)
{
	for(int i = 1; i <= n; ++i)
	{
		x[k] = i;
		if(valid(k))
			if(k == n)
				afisare(x);
			else back(k + 1);
	}
}

int main()
{
	f >> n;
	
	back(1);
	
	f.close();
	g.close();
	
	return 0;
}