#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

vector<int> a(100);
vector<int> pus(100);
int n;
void scrie()
{
    for(int i=1;i<=n;++i)
        fout<<a[i]<<" ";
    fout<<"\n";
}

void permut(int k)
{
    for(int i=1;i<=n;++i)
        if(!pus[i])
        {
            a[k]=i;
            pus[i]=1;
            if(k==n) scrie();
            else permut(k+1);
            pus[i]=0;
        }
}
int main()
{
    fin>>n;
    permut(1);
    scrie();

    return 0;
}