#include <fstream>
#define NMAX 10

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int i, n, level = 1, v[NMAX], fr[NMAX];

void afisare()
{
    for (int j = 1; j <= n; ++ j)
        g << v[j] << " ";
    g << '\n';
}

bool ok()
{
    for (int j = 1; j <= n; ++ j)
        fr[j] = 0;

    for (int j = 1; j <= level; ++ j)
    {
        fr[v[j]] ++;
        if (fr[v[j]] > 1)
            return 0;
    }
    return 1;
}

void backtracking()
{
    while (level > 0)
    {
        bool check = 0;

        while (!check && v[level] < n)
        {
            v[level] ++;
            check = ok();
        }

        if (!check)
            level --;
        else
            if (level == n)
                afisare();
        else
            v[++ level] = 0;
    }
}

int main()
{
    f >> n;
    backtracking();
    return 0;
}