#include <bits/stdc++.h>

using namespace std;

vector <int> a;

int main()
{

    int i,n;
    ifstream fin("permutari.in");
    fin>>n;
    for(i=1;i<=n;i++)
        a.push_back(i);
    do
    {
        for (int i = 0; i < n; ++i)
            cout << a[i] <<" ";
        cout <<"\n";
    } while (next_permutation(a.begin(), a.end()));

    return 0;
}