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

using namespace std;

int n;
vector<int> v;
ifstream fin("permutari.in");
ofstream fout("permutari.out");

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 << '\n';
	} while (next_permutation(v.begin(), v.end()));
    fin.close();
    fout.close();
    return 0;
}