#include <iostream>
#include <fstream>

using namespace std;

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

int A[8] , F[8] , N;

void Back(int K)
{
    if(K == N + 1)
    {
        for(int i = 1 ; i <= N ; ++i)
        {
            fout << A[i] << " ";
        }
        fout << endl;
    }
    else
    {
        for(int i = 1 ; i <= N ; ++i)
        {
            if(F[i] == 0)
            {
                A[K] = i;
                F[i] = 1;
                Back(K + 1);
                F[i] = 0;
            }
        }
    }
}

int main()
{
    fin >> N;
    Back(1);

    return 0;
}