#include<iostream>
#include<fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
bool f[12];
int v[12],n;
void bkt(int k)
{
    if(k==n+1)
    {

        for(int i=1;i<=n;i++)
           out<<v[i]<<" ";
        out<<'\n';
    }
    else
    {
        for(v[k]=1;v[k]<=n;v[k]++)
        {
            if(f[v[k]]==0)
            {
                f[v[k]]=1;
                bkt(k+1);
                f[v[k]]=0;
            }
        }
    }
}
int main()
{
    in>>n;
    bkt(1);
}