#include <fstream>

using namespace std;

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

int s[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, n;


void bt(int k)
{
    bool ok;
    if(k == n)
    {
        for(int i = 1; i <= n; i++)
        {
            fout << s[i] << " ";
        }
        fout << "\n";
    }
    else
    {
        for(int i = 1; i <= n; i++)
        {
            ok = true;
            for(int j = 1; j <= k; j++)
            {
                if(s[j] == i)
                {
                    ok = false;
                    break;
                }
            }
            if(ok)
            {
                s[k + 1] = i;
                bt(k + 1);
            }
        }
    }
}

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