#include <fstream>

using namespace std;

short int n, s[17],d[17];

ifstream f("submultimi.in");
ofstream g("submultimi.out");

void subm(int n, int index)
{
    if(index!=n)
    {
        for(int i=1; i<=n; i++)
        {
            if(d[i]==0)
            {
                if(index==0 ||(index>0 && i>s[index-1]))
                {
                    d[i]=1;
                    s[index]=i;
                    for(int j=0; j<=index; j++)
                        g<<s[j]<<" ";
                    g<<"\n";
                    subm(n, index+1);
                    d[i]=0;
                }
            }
        }
    }
}

int main()
{
    f>>n;
    subm(n, 0);
    f.close();
    g.close();
    return 0;
}