#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int v1[100],v2[100],n;
void perm(int k)
{
    if(k>n)
    {
        for(int i=1;i<=n;i++)
        out<<v1[i]<<" ";
        out<<endl;
    }
    else
    {
        for(int i=1;i<=n;i++)
        {
            if(v2[i]==0)
            {
                v2[i]=1;
                v1[k]=i;
                perm(k+1);
                v2[i]=0;
            }
        }
    }
}
int main()
{

   int k;
   in>>n;
    perm(1);
    return 0;
}