#include 
#include 
using namespace std;
int n;


int main()
{
    cin >> n;
    for(int bit = 0; bit < (1 << n); bit++) {
        cout << "{";
        for(int i = 0; i < n; i++) {
            if(bit & (1 << i)) {
                cout << i + 1 << " ";
            }
        }
        cout << "}" << endl;
    }
    return 0;
}