#include <iostream>
#include <fstream>

using namespace std;

double n;
int v[9],used[10];

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

void print()
{
    for (int i = 1; i <= n; i++)
        g << v[i]<<" ";
    g << "\n";
}

void back(int k)
{
    for (v[k] = 1; v[k] <= n; v[k]++)
        if (!used[v[k]])
        {
            used[v[k]]=1;
            if (k == n)
                print();
            else
                back(k + 1);
            used[v[k]]=0;
        }
}

int main()
{
    f >> n;
    back(1);
    f.close();
    g.close();
    return 0;
}