#include<fstream>
using namespace std;
ifstream f("permutari.in");ofstream g("permutari.out");

int n,k,p[9],v[9],used[9];

void print()
{
    int i;
    for(i=1;i<=n;i++)
    {
        g<<p[i]<<" ";
    }
    g<<"\n";
}

int permutari(int k)
{
    int i;
    if(k>n) print();
    else
    {
        for(i=1;i<=n;i++)
        {
            if(!used[i])
            {
                p[k]=i;
                used[i]=1;
                permutari(k+1);
                used[i]=0;
            }
        }
    }
}

int main()
{
    f>>n;
    permutari(1);
    f.close();g.close();
    return 0;
}