#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;
    a[n] = 1;
    while(a[0] == 0)
    {
        for (i = 1 ; i <= n ; i++)
            if(a[i] == 1) fout << i << " ";
        fout << "\n";
        for (i = n ; a[i] == 1 ; i--)
            a[i] = 0;
        a[i] = 1;
    }
    return 0;
}