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

using namespace std;

const int nMax = 10;

int n;
ofstream out("permutari.out");
int v[nMax];
bool viz[nMax];

void citire()
{
    ifstream in("permutari.in");
    in >> n;
    in.close();
}

void backtr(int pos)
{
    if(pos == n + 1)
    {
        for(int i = 1; i <= n; ++i)
            out << v[i] << " ";
        out << "\n";
    }
    for(int i = 1; i <= n; ++i)
    {
        if(viz[i] == false)
        {
            viz[i] = true;
            v[pos] = i;
            backtr(pos + 1);
            viz[i] = false;
        }
    }
}

int main()
{
    citire();
    backtr(1);
    return 0;
}