#include <iostream>
#include <fstream>

using namespace std;

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

int n, v[10], res[10];
bool f[10];

void bt(int k) {
    if (k > n) {
        for (int i = 1; i <= n; i++)
            fout << res[i] << ' ';
        fout << '\n';
        return;
    }

    for (int i = 1; i <= n; i++) {
        if (f[i])
            continue;

        f[i] = true;
        res[k] = i;
        bt(k + 1);
        f[i] = false;
        res[k] = 0;
    }
}

int main() {

    fin >> n;
    for (int i =1 ; i <= n; i++)
        v[i] = i;

    bt(1);

    return 0;
}