#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int n;
  cin >> n;
  function<string(int)> f = [&](int i) {
    string s = "{";
    for (int x = 0; (1 << x) <= i; ++x) {
      if (i & (1 << x)) {
        if (s != "{") s += ',';
        s += f(x);
      }
    }
    s += "}";
    return s;
  };
  cout << f(n) << endl;
  return 0;
}