#include <bits/stdc++.h>
using namespace std;

void f(int64_t n) {
    if (n == 0) {
        cout << "{}";
        return;
    }

    int64_t msb = -1;
    for (int64_t i = 0; (1ull << i) <= n; i++) {
        if (n >> i & 1) {
            msb = i;
        }
    }

    cout << "{";
    for (int64_t i = 0; (1ull << i) <= n; i++) {
        if (n >> i & 1) {
            f(i);
            if (i != msb) {
                cout << ",";
            }
        }
    }
    cout << "}";
    return;
}

int main() {
    int64_t N;
    cin >> N;
    f(N);
    cout << endl;
}