#include <iostream>
#include <cstring>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n, sub[101];

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

int main() {
    fin >> n;
    submultimi(1,0);
    return 0;
}