//Combinari pe biti (bitwise)

#include <fstream>
#include <cstdlib>

using namespace std;

ifstream fin("combinari.in");
ofstream fout("combinari.out");

int n;

void combinations(int n)
{
    int i,j,lim=1<<n;
    for(i=1; i<lim; ++i)
    {
        for(j=1; j<=n; ++j)
            if(i&(1<<(j-1)))
                fout<<j<<" ";
        fout<<"\n";
    }            
}

int main() {
    fin>>n;
    combinations(n);
    
    return 0;
}