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


int n, st[10];
bool viz[10];
ifstream in("permutari.in");
ofstream out("permutari.out");
void Back(int k)
{
    if (k > n)
    {
        for (int i = 1;i <= n;i++)
           out << st[i] << " ";
        out << "\n";
        return;
    }
    for (int i = 1;i <= n;i++)
    {
        if (!viz[i])
        {
            viz[i] = true;
            st[k] = i;
            Back(k + 1);
            viz[i] = false;
        }
    }
}

int main()
{
    in >> n;
    Back(1);
    in.close();
    out.close();
    return 0;
}