#include <fstream>
#define Nmax 10

using namespace std;

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

int n;
int v[Nmax];
bool frecv[Nmax];

void permutari(int pos)
{
    if(pos == n + 1)
    {
        for(int i = 1; i <= n; i++)
        {
            fout << v[i] << " ";
        }
        fout << '\n';
    }
    else
    {
        for(int val = 1; val <= n; val++)
        {
            if(frecv[val] == 0)
            {
                frecv[val] = 1;

                v[pos] = val;
                permutari(pos + 1);

                frecv[val] = 0;
            }

        }
    }
}

int main()
{
    fin >> n;

    permutari(1);

    return 0;
}