#include <iostream>
#include <fstream>

using namespace std;

int n, x[9];
bool F[9];///f[i]=1 daca val i a mai fost folosita

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

void afis()
{
    for(int i = 1; i <= n; i++)
        g << x[i] << ' ';
    g << endl;
}

void backt(int k)
{
    if(k <= n)
    {
        for(int v = 1; v <= n; v++)
        {
            if(F[v] == 0)
            {
                x[k] = v;
                F[v] = 1;
                backt(k + 1);
                F[v] = 0;
            }
        }
    }
    else
        afis();
}

int main()
{
    f >> n;
    backt(1);
    return 0;
}