#include <bits/stdc++.h>

using namespace std;

int a[25], n;

int main()
{
    int i;
    ifstream fin("submultimi.in");
    ofstream fout("submultimi.out");
    fin >> n;
    while (a[0] == 0)
    {
        /// next subm
        for (i = n; a[i] == 1; i--)
            a[i] = 0;
        a[i] = 1;
        /// afis subm
        for (i = 1; i <= n; i++)
            if (a[i] == 1) fout << i << " ";
        fout << "\n";
    }
    return 0;
}