#include<fstream>

using namespace std;

int sol[10],n;
ifstream f("permutari.in");
ofstream o("permutari.out");

bool valid(int p)
{
	for(int i=1 ; i<p ; ++i)
		if(sol[i] == sol[p])
			return false;
	return true;
}

void afisare()
{
	for (int i=1;i<=n;i++)
		o<<sol[i]<<" ";
	o<"\n";
}

void bkt(int p)//completeaza sol[p]
{
	if(p==n+1)
	{
		afisare();
		return;
	}
	for(int i=1 ; i<=n ; ++i)//parcurg val pe care le poate lua sol[p]
	{
		sol[p]=i;
		if(valid(p))//daca sol[p] e compatibil cu sol[1],...,sol[p-1]
			bkt(p+1);
	}
}

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