#include <iostream>
#include <fstream>

using namespace std;

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

int n;
bool viz[9];
int x[9];

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

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

void BackTracking(int k)
{
    for (int i=1;i<=n;i++)
    {
        if (!viz[i])
        {
            viz[i] = true;
            x[k] = i;
            if (EsteOK(k))
                if (k==n)
                afiseaza();
            else BackTracking(k+1);
            viz[i] = false;
        }
    }
}

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