#include <fstream>

using namespace std;

int main()
{
    ifstream f("submultimi.in");
    ofstream g("submultimi.out");
    int n, mask; f >> n;
    mask = 1 << n;
    for(int i = 1; i < mask; i ++) {
        for(int j = 1; j <= n; j ++)
            if(i & (1 << (j - 1)))
                g << j << " ";
        g << "\n";
    }
    return 0;
}