#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int n, a[20];

int main()
{
    f >> n;
    for(int i=1; i<=n; i++) a[i] = i;
    do
        {   for(int i=1; i<=n; i++) g << a[i] << ' ';
            g << '\n';
        }while(next_permutation(a+1, a+n+1));
    return 0;
}