#include <bits/stdc++.h>

using namespace std;

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

int st[20], n, cnt;

void Afisare()
{
    cnt++;
    if(cnt == 1) return;
    for(int i = 1; i <= n; i++)
        if(st[i] == 1) fout << i << " ";
    fout <<"\n";
}

inline void Back(int top)
{
    int i;
    if(top == n + 1) Afisare();
    else for(i = 0; i <= 1; i++)
        {
            st[top] = i;
            Back(top + 1);
        }
}

int main()
{
    fin >> n;
    fin.close();
    Back(1);
    fout.close();
    return 0;
}