#include <iostream>
#include <fstream>
using namespace std;

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

const int MAX_LENGTH = 16;

int noElements;
int subsequence[MAX_LENGTH + 1];

void generate(int number, int subsequenceLength) {
    if (number == noElements + 1) {
        for (int index = 0; index < subsequenceLength; ++index) {
            fout << subsequence[index] << ' ';
        }
        fout << '\n';
        return;
    }
    subsequence[subsequenceLength] = number;
    generate(number + 1, subsequenceLength + 1);
    generate(number + 1, subsequenceLength);
}

int main() {
    int numberOfElements;
    fin >> numberOfElements;
    generate(1, 0);
    return 0;
}