#include <fstream>
using namespace std;

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

int main() {
    int v[20], n, i;
    f >> n;
    
    for (i = 1; i <= n; i++) v[i] = 0;
    v[0] = 0;
    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) g << i << " ";
        g << "\n";
    }
    return 0;
}