#include <iostream>
#include<fstream>

using namespace std;

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

long a,sir[10],viz[10];

void afisare()
{
    for (int i=0;i<a;i++)
        fout<<sir[i]<<" ";
    fout<<"\n";
}

void back(int k)
{
    if (k==a)
    {
        afisare();
        return ;
    }
    for (int i=1;i<=a;i++)
        if (viz[i]==0)
        {
            viz[i]=1;
            sir[k]=i;
            back(k+1);
            viz[i]=0;
        }
}


int main()
{
    fin>>a;
    back(0);
    return 0;
}