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

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

int n, fr[9], generation[9];
void permutari(int element, int lg) {
    if (lg == n + 1) {
        for (int i = 1; i <= n; ++i) {
            fout << generation[i] << ' ';
        }
        fout << '\n';
    }
    for (int i = 1; i <= n; ++i) {
        if (fr[i] == 0) {
            fr[i] = 1;
            generation[lg] = i;
            permutari(i, lg + 1);
            fr[i] = 0;
        }
    }
}
int main() {
    fin >> n;
    permutari(1, 1);
    return 0;
}