#include <fstream>
using namespace std;

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

int n, x[9];
bool ok[9];

void SOLVE(int k);
void WRITE();

int main()
{
    is >> n;
    SOLVE(1);
    is.close();
    os.close();
    return 0;
}

void SOLVE(int k)
{
    if ( k > n )
    {
        WRITE();
        return;
    }
    for ( int i = 1; i <= n; ++i )
    {
        if ( ok[i] )
            continue;
        x[k] = i;
        ok[i] = true;
        SOLVE(k + 1);
        ok[i] = false;
    }
}

void WRITE()
{
    for ( int i = 1; i <= n; ++i )
        os << x[i] << " ";
    os << "\n";
}