#include <fstream>

using namespace std;

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

int n, a[9];
bool apar[9];

void bkt(int k)
{
    int i;
    if (k == n+1)
    {
        for (i = 1; i <= n; i++)
            g << a[i] << " ";
        g <<'\n';
    }
    else for (i = 1; i <= n; i++)
        if (!apar[i])
        {
            apar[i] = 1;
            a[k] = i;
            bkt(k+1);
            apar[i] = 0;
        }

}

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