#include <iostream>
#include <fstream>
using namespace std;

int n, x[10], use[10] = {0};

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

void afisare()
{
    int i;
    for(i = 1; i <= n; i++)
    {
        out << x[i] << " ";
    }
    out << endl;
}

void permutare(int k)
{
    int i;
    if(k == n+1)
    {
        afisare();
    }
    else
    {
        for(i = 1; i <= n; i++)
        {
            if(!use[i])
            {
                x[k] = i;
                use[i] = 1;
                permutare(k + 1);
                use[i] = 0;
            }
        }
    }
}

int main()
{
    in >> n;
    permutare(1);
    return 0;
}