#include <fstream>
#include <vector>

using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");


vector<int>bk_stack;
int n;

void bkt(int elem)
{
    if(elem>n)
    {
        if(bk_stack.size()!=0)
        {
            for(int i=0;i<bk_stack.size();i++)
                out<<bk_stack[i]<<' ';
            out<<'\n';
        }
        return;
    }
    bkt(elem+1);
    bk_stack.push_back(elem);
    bkt(elem+1);
    bk_stack.pop_back();
}

int main()
{
    in>>n;
    bkt(1);
    in.close();
    out.close();
    return 0;
}