#include <fstream>

using namespace std;

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

int n,k,af[10];
bool v[10];

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

void backt(int p)
{
    if (p==n+1) afisare();
    else for (int i=1;i<=n;i++) if (v[i]==0)
    {
        v[i]=1;
        af[p]=i;
        backt(p+1);
        v[i]=0;
    }
}

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

    return 0;

}