#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main ()
{
    freopen ("permutari.in", "r", stdin);
    freopen ("permutari.out", "w", stdout);
    int n, i;
    vector<int> v;
    cin>>n;
    for (i=1; i<=n; i++)
        v.push_back(i);
    do
    {
        for(i=0; i<n; i++)
            cout<<v[i]<<" ";
        cout<<"\n";
    } while (next_permutation(v.begin(), v.end()));
    return 0;
    
}