#include <fstream>

using namespace std;

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

int X[9], n;
bool F[9];

void Back(int k);
void Write(int k);

int main()
{
    fin >> n;
    Back(1);
    return 0;
}

void Back(int k)
{
    for( int i = 1; i <= n; ++i )
    {
        X[k] = i;
        if( !F[i] )
        {
            if( k == n )
                Write(k);
            else
            {
                F[i] = 1;
                Back(k + 1);
                F[i] = 0;
            }
        }
    }
}

void Write(int k)
{
    for( int i = 1; i <= k; ++i )
        fout << X[i] << " ";
    fout << '\n';
}