#include <fstream>
using namespace std;
ifstream cin("submultimi.in");
ofstream cout("submultimi.out");
int n,s[17],f[10];
void funct(int pas)
{
    if (s[1])
    {
        for (int i=1; i<=pas-1; ++i)
            cout<<s[i]<<" ";
        cout<<"\n";
    }
    for (int i=1; i<=n; ++i)
    {
        if (s[pas-1]!=i && !f[i] && s[pas-1]<i)
        {
            s[pas]=i;
            f[i]=1;
            funct(pas+1);
            f[i]=0;
        }
    }
}
int main()
{
    cin>>n;
    funct(1);
}