diff --git a/.common/cpp/skeleton.cpp b/.common/cpp/skeleton.cpp
index cfea8de..7dfbc25 100644
--- a/.common/cpp/skeleton.cpp
+++ b/.common/cpp/skeleton.cpp
@@ -22,6 +22,58 @@
 
 #pragma region helpers
 
+#pragma region debug
+void dbg_out() { std::cerr << std::endl; }
+template <typename Head, typename... Tail>
+void dbg_out(Head H, Tail... T) {
+  std::cerr << ' ' << H;
+  dbg_out(T...);
+}
+#ifdef LOCAL
+#define dbg(...)                                                           \
+  std::cerr << '[' << __FILE__ << ':' << __LINE__ << "] (" << #__VA_ARGS__ \
+            << "):",                                                       \
+      dbg_out(__VA_ARGS__)
+#else
+#define dbg(...)
+#endif
+#pragma endregion debug
+
+#pragma region functional
+// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
+template <class Fun>
+class y_combinator_result {
+  Fun fun_;
+
+ public:
+  template <class T>
+  explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}
+  template <class... Args>
+  decltype(auto) operator()(Args &&...args) {
+    return fun_(std::ref(*this), std::forward<Args>(args)...);
+  }
+};
+template <class Fun>
+decltype(auto) y_combinator(Fun &&fun) {
+  return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
+}
+#pragma endregion /* functional */
+
+#pragma region input
+template <typename T>
+std::vector<T> load_vector(std::size_t size) {
+  std::vector<T> result{};
+
+  for (auto i = 0u; i < size; ++i) {
+    T x;
+    std::cin >> x;
+    result.push_back(std::move(x));
+  }
+
+  return result;
+}
+#pragma endregion /* input */
+
 #pragma region math
 static constexpr std::int32_t MODULO = 1000000007;
 
@@ -61,58 +113,6 @@ inline void no() { std::cout << "NO\n"; }
 inline void yesno(bool ans) { std::cout << (ans ? "YES" : "NO") << "\n"; }
 #pragma endregion /* output */
 
-#pragma region debug
-void dbg_out() { std::cerr << std::endl; }
-template <typename Head, typename... Tail>
-void dbg_out(Head H, Tail... T) {
-  std::cerr << ' ' << H;
-  dbg_out(T...);
-}
-#ifdef LOCAL
-#define dbg(...)                                                           \
-  std::cerr << '[' << __FILE__ << ':' << __LINE__ << "] (" << #__VA_ARGS__ \
-            << "):",                                                       \
-      dbg_out(__VA_ARGS__)
-#else
-#define dbg(...)
-#endif
-#pragma endregion debug
-
-#pragma region input
-template <typename T>
-std::vector<T> load_vector(std::size_t size) {
-  std::vector<T> result{};
-
-  for (auto i = 0u; i < size; ++i) {
-    T x;
-    std::cin >> x;
-    result.push_back(std::move(x));
-  }
-
-  return result;
-}
-#pragma endregion /* input */
-
-#pragma region functional
-// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
-template <class Fun>
-class y_combinator_result {
-  Fun fun_;
-
- public:
-  template <class T>
-  explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}
-  template <class... Args>
-  decltype(auto) operator()(Args &&...args) {
-    return fun_(std::ref(*this), std::forward<Args>(args)...);
-  }
-};
-template <class Fun>
-decltype(auto) y_combinator(Fun &&fun) {
-  return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
-}
-#pragma endregion /* functional */
-
 #define LOOP(var, n) for (auto var = 0; var < n; ++var)
 
 #pragma endregion /* helpers */