#include <fstream>
#define len 17

using namespace std;

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

short n;
bool sol[len];

void Afis()
{
    bool evida = true;
    for(short i = 1; i <= n; ++i)
        if(sol[i])
        {
            evida = false;
            out << i << ' ';
        }
    if(!evida)
        out << '\n';
}

void back(short k)
{
    for(short i = 0; i <= 1; ++i)
    {
        sol[k] = i;
        k == n ? Afis() : back(k + 1);
    }
}

int main()
{
    in >> n;
    back(1);
    return 0;
}