#include <cstdio>

using namespace std;

int n, sol[10], viz[10];

void afisare()
{
    for (int i=0; i<n; ++i)
        printf ("%d ",sol[i]);
    printf ("\n");
}

void back(int k)
{
    if (k==n)
    {
        afisare();
        return;
    }
    for (int v=1; v<=n; ++v)
        if (!viz[v])
        {
            viz[v]=1;
            sol[k]=v;
            back(k+1);
            viz[v]=0;
        }
}

int main()
{
    freopen ("permutari.in","r",stdin);
    freopen ("permutari.out","w",stdout);
    scanf ("%d",&n);
    back(0);
    return 0;
}