#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
unsigned n, x[10];
void afisare(unsigned n)
{
    for(unsigned i = 1; i <= n; i++)
        fout << x[i] << " ";
    fout << "\n";
}
int cond(unsigned poz)
{
    for(unsigned i = 1; i < poz; i++)
        if(x[poz] == x[i])
            return 0;
    return 1;
}
void permutari(unsigned poz)
{
    for(unsigned i = 1; i <= n; i++)
    {
        x[poz] = i;
        if(cond(poz))
        {
            if(poz == n)
                afisare(n);
            else
                permutari(poz + 1);
        }
    }
}
int main()
{
    fin >> n;
    permutari(1);
    return 0;
}