#include <bits/stdc++.h>

using namespace std;

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

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