#include <iostream>
#include <fstream>

using namespace std;

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

int n, R[11];
bool C[11];

void Afisare()
{
    for (int i = 1; i <= n; ++i)
        fout << R[i] << " ";
    fout << '\n';
}

void Back(int p)
{
    if (p > n)
        return Afisare();
    for (int i = 1; i <= n; ++i)
    {
        if (!C[i])
        {
            C[i] = true;
            R[p] = i;
            Back(p + 1);
            C[i] = false;
        }
    }
}

int main()
{
    fin >> n;
    Back(1);

    return 0;
}