#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
#define MAX 10

int a[MAX], viz[MAX], n;
void bak(int k)
{
    int i;
    if(k == n + 1)
    {
        for(i = 1 ; i <= n ; i++)
        {
            fout << a[i] << " ";
        }
        fout << "\n";
    }
    for(i = 1 ; i <= n ; i++)
    {
        if(viz[i] == 0)
        {
            viz[i] = 1;
            a[k] = i;
            bak(k + 1);
            viz[i] = 0;
        }
    }
}

int main()
{
    fin >> n;
    bak(1);
}