#include <bits/stdc++.h>
using namespace std;

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

int n, v[9];
bool used[9];

void permutari(int k)
{
    if (k > n)
    {
        for (int i = 1; i <= n; ++i)
            fout << v[i] << " ";
        fout << '\n';
        return;
    }
    for (int i = 1; i <= n; ++i)
    {
        if (!used[i])
        {
            v[k] = i;
            used[i] = 1;
            permutari(k + 1);
            used[i] = 0;
        }
    }
}

int main()
{
    fin >> n;
    permutari(1);
    return 0;
}