//#include "pch.h"
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
vector<int> v;

int main()
{
	fin >> n;
	for (int i = 1; i <= n; i++)
		v.push_back(i)	;
	do
	{
		for (int i = 0; i < n; i++)
			fout << v[i] << " ";
		fout << endl;
	} while (next_permutation(v.begin(), v.end()));
}