#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[9],n;
bool fr[9];
void afisare()
{
    for(int i=1;i<=n;i++)
        fout<<v[i]<<" ";
    fout<<'\n';

}
void backtrack(int pas)
{
    if(pas>n)
    {
        afisare();
        return;
    }
    for(int i=1;i<=n;++i)
    {
        if(fr[i]==0)
        {
            fr[i]=1;
            v[pas]=i;
            backtrack(pas+1);
            fr[i]=0;
        }
    }
}
int main()
{
    fin>>n;
    backtrack(1);
}