#include <fstream>

using namespace std;
int sol[101],n,k;
 ifstream f("permutari.in");
   ofstream g("permutari.out");
void afisare()
{
    for(int i=1;i<=n;i++)
        g<<sol[i]<<" ";
    g<<'\n';
}

int ok (int k)
{
    for(int i=1;i<k;i++)
        if(sol[i]==sol[k])return 0;
    return 1;
}

void permutari (int k)
{
    int i;
    if(k==n+1)afisare();
    else
    for(i=1;i<=n;i++)
    {sol[k]=i;
    if(ok(k))permutari(k+1);

    }

}

int main()
{
   ifstream f("permutari.in");
   ofstream g("permutari.out");
   f>>n;
   permutari(1);
    return 0;
}