#include <fstream>
using namespace std;

ifstream is ("permutari.in");
ofstream os ("permutari.out");

int N, v[10];
bool b[10];

void Perm(int k);
void Write();

int main()
{
    is >> N;
    Perm(1);
    is.close();
    os.close();
}


void Perm(int k)
{
    if (k == N+1)
    {
        Write();
        return;
    }
    for (int i = 1; i <= N; ++i)
        if (b[i] == 0)
        {
            b[i] = 1;
            v[k] = i;
            Perm(k+1);
            b[i] = 0;
        }
};

void Write()
{
    for (int i = 1; i <= N; ++i)
        os << v[i] << ' ';
    os << '\n';
};