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

ofstream fo("permutari.out");
int n;
int v[9];

void gen(int k) {
    bool b;
    if (k == n + 1) {
        for (int i = 1; i <= n; i++)
            fo << v[i] << ' ';
        fo << "\n";
    } else {
        for (int i = 1; i <= n; i++) {
            b = true;
            for (int j = 1; j < k; j++) {
                if (v[j] == i) {
                    b = false;
                    break;
                }
            }
            if (b) {
                v[k] = i;
                gen(k + 1);
            }
        }
    }
}

int main() {
    ifstream fi("permutari.in");
    fi >> n;
    gen(1);
    return 0;
}