#include <iostream>
#include <fstream>
using namespace std;
ofstream fout("submultimi.out");

int N, subm[17];

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() {
    ifstream fin("submultimi.in");
    fin >> N;
    gen(1, 0);
}