#include <iostream>
#include <fstream>

using namespace std;

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

int main()
{
    int n;
    f >> n;
    int i,j;
    int lim = 1<<n;
    for(i=1;i<lim;i++){
        for(j=1;j<=n;j++)
            if(i&(1<<(j-1)))
                g << j << " ";
        g << "\n";
    }
    return 0;
}