#include <fstream>
#define in "permutari.in"
#define out "permutari.out"
#define len 9

using namespace std;

ifstream f(in);
ofstream g(out);

short n, sol[len];

bool ebun(short k)
{
    for(short i = 1; i < k; ++i)
        if(sol[i] == sol[k])
            return false;
    return true;
}

void Tipar()
{
    for(short i = 1; i <= n; ++i)
        g << sol[i] << ' ';
    g << '\n';
}

void back(short k)
{
    for(short i = 1; i <= n; ++i)
    {
        sol[k] = i;
        if(ebun(k))
            if(k == n)
                Tipar();
            else back(k + 1);
    }
}

int main()
{
    f >> n;
    back(1);
    return 0;
}