#include<bits/stdc++.h>
using namespace std;
int main ()
{
    ifstream fin("permutari.in");
    ofstream fout("permutari.out");
    int n;
    vector <int> V;
    fin>>n;
    for (int i = 1; i <= n; ++i) V.push_back(i);
    do {
        for (int i = 0; i < n; i++) fout <<V[i]<< ' ';
        fout<<'\n';
    } while (next_permutation(V.begin(), V.end()));
}