#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int Nmax=9;
int N,V[Nmax],j,Use[Nmax];

bool Ok(int i)
{
    if(Use[V[i]]==0)
    {
        Use[V[i]]=1;
        return 1;
    }
    else return 0;
}
void Print()
{
    for(int i=1;i<=N;++i)
    {
        fout<<V[i]<<" ";
    }
    fout<<"\n";
}
void Back(int i)
{
    for(int j=1;j<=N;++j)
    {
        V[i]=j;
        if(Ok(i))
        {
            if(i==N)
            {
                Print();
            }
            Back(i+1);
             Use[j]=0;
        }

    }
}

int main()
{
    fin>>N;
    Back(1);
    return 0;
}