#include <iostream>
#include <fstream>

using namespace std;

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

int n, p[10], used[10];

void back(int poz)
{
    if (poz == n + 1)
    {
        for (int i = 1; i <= n; i++)
            fout << p[i] << " ";
        fout << '\n';
        return;
    }

    for (int val = 1; val <= n; val++)
    {
        bool folosit = false;
        if (!used[val])
            folosit = true;
        if (folosit)
        { 
            p[poz] = val;
            used[val] = 1;
            back(poz + 1);
            used[val] = 0;
        }
            
        
    }
}

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