#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");

int n,v[100],a;

int valid (int i)
{
    int k;
    bool ok;
    ok=true;
    for (k=1;k<=i-1;k++){if (v[i]==v[k]) ok=false;}
    if (ok) return 1;
    else return 0;
}

void afis(int v[100],int n)
{
    int i;
    for (i=1;i<=n;i++)
    {
        cout<<v[i]<<" ";
    }
    cout<<endl;
}

void permutari(int k)
{
    int i;
    for (i=1;i<=n;i++)
    {
        v[k]=i;
        if (valid(k)==1)
        {
          if (k<n) {permutari(k+1);}
          else afis(v,n);
        }
    }
}
int main()
{
    cin>>n;
    permutari(1);
}