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

using namespace std;

int main()
{
    ifstream f("permutari.in");
    ofstream g("permutari.out");
    vector<int>vect;
    int n;
    f>>n;
    for (int i = 1; i <=n; ++i)
        vect.push_back(i);
    do
    {
        for(int i=0; i<n; i++)
            g<<vect[i]<<" ";
        g<<'\n';
    }while(next_permutation(vect.begin(),vect.end()));
    return 0;
}