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

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int main() {
	int n;
	vector<int> v;

	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 << "\n";
	} while (next_permutation(v.begin(), v.end()));
}