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

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

const int MAX_LENGTH = 16;

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

int main() {
    int numberOfElements;
    fin >> numberOfElements;
    int subsequence[MAX_LENGTH + 1];
    generate(numberOfElements, 1, 0, subsequence);
    return 0;
}