#include <fstream>

using namespace std;

int N;
int V[10];
int M[10];

ifstream i("permutari1.in");
ofstream o("permutari1.out");


void backtrack(int x)
{
    if(x == N)
    {
        for(int a = 0; a < x; a++)
        {
            o << M[a] << " ";
        }

        o << '\n';
        return;
    }

    else
    {
        for(int a = N; a >= 1; a--)
        {
            if(V[a] != -1)
            {
                int bup = V[a];
                M[x] = V[a];
                V[a] = -1;

                backtrack(x + 1);

                V[a] = bup;
            }
        }
    }
}

int main()
{
    i >> N;

    for(int a = 0; a <= N; a++)
    {
        V[a] = a;
    }

    backtrack(0);

    return 0;
}