#include <iostream>
#include <fstream>
using namespace std;

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

int n, v[10], fr[10];

void afisare() {
    for(int i = 1; i <= n; ++i)
        g << v[i] << " ";
    g << "\n";
}

void bkt(int lg) {
    if(lg == n + 1)
        afisare();
    for(int i = 1; i <= n; ++i) {
        if(!fr[i]) {
            v[lg] = i;
            fr[i] = 1;
            bkt(lg + 1);
            fr[i] = 0;
        }
    }
}

int main()
{
    f >> n;
    bkt(1);
}