#include <fstream>

using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

const int N = 1<<3 + 2;

bool viz[N];
int v[N], n;

void afiseaza() {
    for (int i = 0; i < n; ++i) {
        cout << v[i] << " ";
    }
    cout << "\n";
}

void bkt(int poz) {
    if (poz == n) {
        afiseaza();
        return;
    }
    for (int i = 1; i <= n; ++i) {
        if (!viz[i]) {
            v[poz] = i;
            viz[i] = true;
            bkt(poz + 1);
            viz[i] = false;
        }
    }
}

int main()
{
    cin >> n;
    bkt(0);
    return 0;
}