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

using namespace std;

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

long long n,i;

vector <int> v;

int main()
{
    in >> n;
    for (i=1; i<=n; i++)
        v.push_back(i);
    do
    {
        for(i=0; i<n; i++)
            out << v[i] << ' ';
        out << '\n';
    }
    while (next_permutation(v.begin(),v.end()));
    return 0;
}