#include <fstream>

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

int v[20];
int n, i;
int main() {
    fin>>n;
    while (!v[0]) {
        i = n;
        while (v[i] == 1) {
            v[i] = 0;
            i--;
        }
        v[i] = 1;
        if (i == 0)
            break;

        for (i=1;i<=n;i++)
            if (v[i] == 1)
                fout<<i<<" ";
        fout<<"\n";

    }

    return 0;
}