#include <fstream>

using namespace std;

ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n, k, cnt;
int st[25];

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

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

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