//
//  main.cpp
//  permutari
//
//  Created by Catalina Brinza on 10/16/13.
//  Copyright (c) 2013 Catalina Brinza. All rights reserved.
//


#include <iostream>
#include <fstream>
using namespace std;
int n,a[9];
bool c[9];
ifstream f("permutari.in");
ofstream g("permutari.out");


void back(int k)
{
    int i;
    for (i=1;i<=n;i++)
    {
        a[k]=i;
        if (!c[i])
        {
            c[i]=true;
            if (k==n)
            {    for (int j=1;j<=n;j++)
              g<<a[j]<<' ';
            g<<'\n';
        }
                else back(k+1);
            c[i]=false;
        }

    }
}
int main()
{
    f>>n;
    f.close();
    back(1);
    g.close();
}