#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;

vector <int> perm;

int n, i;

int main()
{
	ifstream in("permutari.in");
	ofstream out("permutari.out");
	in>>n;
	for(i=1; i<=n; i++)
		perm.push_back(i);

	do
	{
		for(i=0; i<n; i++)
			out<<perm[i]<<' ';
		out<<'\n';
	}while(next_permutation(perm.begin(), perm.end()));
    return 0;
}