#include <bits/stdc++.h>

using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int a[20], n, cnt;
void Afisare(int n)
{
    cnt++;
    if (cnt == 1) return ;
    for (int i = 1; i <= n; i++)
        if (a[i] == 1)
        fout << i << " ";
    fout << "\n";
}

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

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