#include <bits/stdc++.h>
#define ll long long
using namespace std;

ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n, v[17];

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

    v[size] = element;
    gen(element + 1, size + 1);
    gen(element + 1, size);
}

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