#include <iostream>
#include <fstream>
using namespace std;

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

int sol[9];

void bkt(int k, int n)
{
    bool ok;
    if (k == n)
    {
        for (int i=1; i<=n; i++)
        {
            fout<<sol[i]<<" ";
        }
        fout<<"\n";
        return;
    }
    for (int i=1; i<=n; i++)
    {
        ok = true;
        for (int j=1; j<=k; j++)
        {
            if (sol[j] == i)
            {
                ok = false;
                break;
            }
        }
        if (ok)
        {
            sol[k+1] = i;
            bkt(k+1, n);
        }
    }
}

int main()
{
    int n;
    fin>>n;
    bkt(0, n);
    fin.close();
    fout.close();
}