#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
int n;
vector <int> v;
int main()
{
    ifstream f ("permutari.in");
    ofstream g ("permutari.out");
    f>>n;
    for (int i=1; i<=n; i++)
        v.push_back(i);
    do
    {
        for (int i=0; i<n; i++)
            g<<v[i]<<' ';
        g<<'\n';
    }
    while (next_permutation(v.begin(),v.end()));
}