#include <fstream>

using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n, k, i, s[10], uz[10];
void afisare(int x)
{
    for( i = 1 ; i <= x ; i++ )
        g << s[i] << " " ;
    g<<endl;
}
void bkt( int k)
{
    if( k == n+1 )
        afisare( n );
    else
    {
    for( i = 1 ; i <= n ; i++ )
        if( uz[i] == 0 )
        {
            s[k] = i;
            uz[i] = 1;
            bkt(k+1);
            uz[i] = 0;
        }
    }
}
int main()
{
    f>>n;
    bkt(1);
    return 0;
}