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

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int n;
vector<int> v;

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