#include <fstream>

#define N 9

using namespace std;

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

int n, v[N];

bool check ( int k )
{
	for ( int j = 1; j < k; ++j )
		if ( v[j] == v[k] )
			return 0;

	return 1;
}

void print ();

void bt ( int k )
{
	for ( int i = 1; i <= n; ++i )
	{
		v[k] = i;
		if ( check (k) )
			if ( k == n )
				print();
			else
				bt ( k + 1 );
	}
}

int main()
{
	fin >> n;

	bt (1);
}

void print ()
{
	for ( int i = 1; i <= n; ++i )
		fout << v[i] << " ";
	fout << '\n';
}