#include <fstream>
using namespace std;

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

int n, a[10];
bool ok[10];

void Perm( int x );
void Write();

int main()
{
    is >> n;
    Perm( 1 );

    is.close();
    os.close();
    return 0;
}

void Perm( int x )
{
    if ( x > n )
    {
        Write();
        return;
    }
    for ( int i = 1; i <= n; i++ )
    {
        a[x] = i;
        if ( !ok[i] )
        {
            ok[i] = true;
            Perm( x + 1 );
            ok[i] = false;
        }
    }
}

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