#include <vector>
#include <fstream>
#include <cstdlib>
#include <iterator>
#include <algorithm>

using namespace std;

vector< int > v;

int main()
{
	int N, i;
	ifstream in( "permutari.in" );
	ofstream out( "permutari.out" );
	
	in>>N;
	for( i=1; i <= N; ++i )
		v.push_back(i);
	do
	{
		copy( v.begin(), v.end(), ostream_iterator<int>( out, " " ) );
		out<<'\n';		
	}while( next_permutation( v.begin(), v.end() ) );
	
	return EXIT_SUCCESS;
}