#include <iostream>
#include <fstream>

using namespace std;

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

int n, subm[20];

void gen(int element, int lgSubm) {
    if(element == n + 1){
        for(int i = 0; i < lgSubm; i++)
            fout << subm[i] << " ";
        fout << "\n";
        return;
    }

    subm[lgSubm] = element;
    gen(element + 1, lgSubm + 1);
    gen(element + 1, lgSubm);
}

int main()
{
    fin >> n;
    gen(1,0);

    return 0;
}