#include <iostream>
#include <fstream>

using namespace std;

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

int sol[9], n;

void afis ()
{
    for (int i = 1; i <= n; ++ i)
        fout << sol[i] << " ";
    fout << "\n";
}

bool solutie (int k)
{
    return k == n + 1;
}

bool valid (int k)
{
    for (int i = 1; i <= k - 1; ++ i)
        if (sol[i] == sol[k])
            return false;
    return true;
}

bool succesor (int k)
{
    if (sol[k] < n)
    {
        sol[k] ++;
        return true;
    }
    return false;
}

void bkt (int k)
{
    if (solutie(k))
        afis();
    else
    {
        sol[k] = 0;
        while (succesor(k))
            if (valid(k))
                bkt(k + 1);
    }
}

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