#include <bits/stdc++.h>
using namespace std;

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

int a[20] , n;

int main()
{
    int i;
    fin >> n;
    while(a[n + 1] == 0)
    {
        int ok = 0;
        for(i = 1 ; i <= n ; i++)
            if (a[i] == 1)
            {
                fout << i << " ";
                ok = 1;
            }
        if (ok == 1) fout << "\n";
        i = 1;
        while(a[i] == 1)
        {
            a[i] = 0;
            i++;
        }
        a[i] = 1;
    }
    return 0;
}