#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[9], n;
bool valid(int k)
{
    for(int i = 1; i < k; i++)
        if(v[i] == v[k])
            return 0;
    return 1;
}
void bk(int k)
{
    for(int i = 1; i <= n; i++)
    {
        v[k] = i;
        if(valid(k))
            if(k == n)
            {
                for(int j = 1; j <= k; j++)
                    fout << v[j] << " ";
                fout << "\n";
            }
            else
                bk(k + 1);

    }
}
int main()
{
    fin >> n;
    bk(1);
}