#include <fstream>
#include <vector>
#include <algorithm>
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()));
}