#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int st[10], viz[10];
/// viz[i] = 1, daca l-am pus deja pe i in st
/// viz[i] = 0, daca i nu este in st

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

void Perm(int top)
{
    if (top == n + 1) Afisare();
    else for (int i = 1; i <= n; i++)
            if (viz[i] == 0)
            {
                viz[i] = 1;
                st[top] = i;
                Perm(top + 1);
                viz[i] = 0;
            }
}

int main()
{
    fin >> n;
    Perm(1);
    fout.close();
    return 0;
}