#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");
    //cu operatii pe biti
    int n;
    fin >> n;
    for (int i=0; i<(1<<n); i++) {
        for (int j=0; j<n; j++)
            if (i&(1<<j))
                fout << j+1 << ' ';
        fout << '\n';
    }
    return 0;
}